60 + Interview Questions in Units And Measurements in Physics

1.	Which of the following gives the most accurate result for time measurement?(a) Wall clock(b) Digital watch(c) Quartz clock(d) Atomic clockI had been asked this question by my school teacher while I was bunking the class.The above asked question is from Measurement of Time in division Units and Measurements of Physics – Class 11
Answer» Right OPTION is (d) Atomic CLOCK For explanation: Atomic clocks are the most ACCURATE DEVICES for time MEASUREMENT. The most accurate atomic clock is the caesium atomic clock situated in Switzerland.

Discussion

2.	How many milliseconds make one second?(a) 10(b) 60(c) 45(d) 80This question was addressed to me by my school principal while I was bunking the class.My enquiry is from Measurement of Time topic in section Units and Measurements of Physics – Class 11
Answer» Correct ANSWER is (a) 10 The BEST I can explain: Ten milliseconds make ONE second. 60 SECONDS make one minute. And 600 minutes make one hour.

Discussion

3.	Which of the following devices cannot measure distance?(a) Vernier Calipers(b) Micrometer(c) Ruler(d) ProtractorThe question was asked in unit test.My doubt stems from Measurement of Length topic in section Units and Measurements of Physics – Class 11
Answer» The correct choice is (d) PROTRACTOR Easiest explanation: Protractor is used to MEASURE angle. Vernier CALIPERS and Micrometer can measure distance very accurately. Ruler can measure ACCURACY up to one tenth of a millimeter.

Discussion

4.	How many significant digits are there in 25.33600?(a) 7(b) 8(c) 5(d) 6This question was addressed to me by my school principal while I was bunking the class.My enquiry is from Significant Figures in division Units and Measurements of Physics – Class 11
Answer» Correct choice is (a) 7 Best EXPLANATION: The correct answer is 7. The zeros after 6 in the decimal PART are also significant.

Discussion

5.	What is least count of an instrument?(a) The lowest value that can be measured accurately(b) The greatest value that can be measured accurately(c) Half of the lowest value that can be measured accurately(d) Mean of the lowest and highest valuesThe question was posed to me in an international level competition.This key question is from Accuracy, Precision of Instruments and Errors in Measurement topic in section Units and Measurements of Physics – Class 11
Answer» Right answer is (a) The lowest VALUE that can be measured ACCURATELY To explain I would SAY: The least COUNT of an instrument is the lowest value that can be measured accurately. For example, if the lowest value that can be measured by a ruler is 1 mm, then the least count is 1 mm.

Discussion

6.	What is the standard unit of measurement of Force?(a) Newton(b) Joule(c) Meter(d) Newton-meterI had been asked this question by my school teacher while I was bunking the class.Question is from The International System of Units in chapter Units and Measurements of Physics – Class 11
Answer» RIGHT choice is (a) Newton Explanation: Newton is the SI UNIT for FORCE. Joule and Newton-meter are the SI UNITS for ENERGY and work. Meter is the SI unit for distance.

Discussion

7.	How many significant digits are there in 002.5001?(a) 1(b) 5(c) 7(d) 6The question was asked during an interview for a job.The question is from Significant Figures in chapter Units and Measurements of Physics – Class 11
Answer» The CORRECT option is (B) 5 To explain I WOULD say: The correct ANSWER is 5. The zeros preceding 2 are not significant.

Discussion

8.	What is the unit of measurement of solid angles?(a) Steradians(b) Degrees(c) Radians(d) GradesI had been asked this question by my school principal while I was bunking the class.The origin of the question is The International System of Units topic in section Units and Measurements of Physics – Class 11
Answer» Correct CHOICE is (a) Steradians For explanation: AS plane angles are MEASURED in radians, in the same WAY solid angles are measured in steradians. A solid angle can be interpreted as the 3-dimensional FORM of a plane angle.

Discussion

9.	What is the full form of SI?(a) Standard International(b) System International(c) Scientific International(d) Science InternationalI got this question in homework.Question is taken from The International System of Units topic in portion Units and Measurements of Physics – Class 11
Answer» Correct CHOICE is (b) SYSTEM INTERNATIONAL To elaborate: The full for of SI is System International. It was FIRST adopted in 1960 in the General Conference on Weights and Measures.

Discussion

10.	The length of a cube is 2.3 cm. What is its volume rounded off to 4 significant digits in cm^3?(a) 12.67(b) 12.167(c) 12.17(d) 13I have been asked this question by my college professor while I was bunking the class.This question is from Significant Figures topic in portion Units and Measurements of Physics – Class 11
Answer» The correct ANSWER is (c) 12.17 Explanation: Volume of a cube is equaled to its LENGTH CUBED, therefore, required volume = 12.167 cm^3. The 67 in the END will be rounded off to 7, hence the final number becomes 12.17.

Discussion

11.	Number of significant digits in 0.0028900 is ______(a) 5(b) 6(c) 7(d) 8I got this question in an interview.This question is from Significant Figures topic in portion Units and Measurements of Physics – Class 11
Answer» Correct choice is (a) 5 To explain I WOULD say: The correct answer is 5. While CALCULATING the number of significant digits, we need not consider the ZERO preceding 2.

Discussion

12.	The number of significant digits in 1559.00 is ____(a) 6(b) 5(c) 3(d) 4I got this question in an interview for internship.I would like to ask this question from Significant Figures in chapter Units and Measurements of Physics – Class 11
Answer» RIGHT option is (a) 6 Explanation: The NUMBER of SIGNIFICANT digits is 6.The zeros after the DECIMAL are ALSO significant.

Discussion

13.	What is the maximum number of unknowns that can be found through a simple dimensional equation?(a) 6(b) 5(c) 3(d) 2I had been asked this question in unit test.My question is based upon Dimensional Formulae and Equations topic in portion Units and Measurements of Physics – Class 11
Answer» The correct option is (c) 3 For explanation: A simple dimensional EQUATION uses three basic parameters – mass, length and time. Hence the maximum number of UNKNOWNS that can be FOUND is 3.

Discussion

14.	Identify the primary quantity from the following.(a) Mass(b) Density(c) Speed(d) VolumeThis question was posed to me in a job interview.This interesting question is from Dimensional Analysis and its Applications topic in section Units and Measurements of Physics – Class 11
Answer» Right answer is (a) Mass For explanation I would say: Mass is one of the 7 primary quantities in the SI system. DENSITY is DEPENDENT on mass and VOLUME. Speed is dependent on length and time. And volume is dependent on length as its CUBE.

Discussion

15.	Range of an instrument is _____(a) The minimum value that can be measured(b) The maximum value that can be measured(c) All values starting from the minimum to the maximum that can be measured(d) The average of all values that can be measuredThis question was addressed to me in class test.Origin of the question is Accuracy, Precision of Instruments and Errors in Measurement in portion Units and Measurements of Physics – Class 11
Answer» Right ANSWER is (C) All values STARTING from the minimum to the maximum that can be measured Explanation: Range refers to all values starting from the minimum to the maximum that can be measured. Range is sometimes also REFERRED to as SPAN.

Discussion

16.	The volume of a box, 10 m wide, 4.5m, long and 2.3 m high up to 3 significant digits in m^3 is ____(a) 104(b) 103.5(c) 103(d) 100This question was addressed to me during a job interview.My question is taken from Significant Figures in section Units and Measurements of Physics – Class 11
Answer» Right answer is (a) 104 Easiest explanation: The volume of the box is length X WIDTH x height = 103.5. This NUMBER, rounded off to 3 significant digits becomes 104.

Discussion

17.	The number of significant digits in 5.002 is ____(a) 5(b) 4(c) 3(d) 6This question was posed to me during an online interview.I'm obligated to ask this question of Significant Figures in division Units and Measurements of Physics – Class 11
Answer» The correct option is (B) 4 Best EXPLANATION: The correct answer is 4. All the DIGITS in the given number are SIGNIFICANT.

Discussion

18.	How many years are there in one millennium?(a) 1000(b) 100(c) 10(d) 70I have been asked this question by my school teacher while I was bunking the class.The query is from Measurement of Time topic in chapter Units and Measurements of Physics – Class 11
Answer» The CORRECT CHOICE is (a) 1000 The explanation is: On millennium is EQUIVALENT to 1000 years. ONE millennium contains 100 centuries. It is used to represent huge time PERIODS.

Discussion

19.	How many inches are there in 1 yard?(a) 12(b) 36(c) 6(d) 18This question was posed to me during a job interview.I'd like to ask this question from Measurement of Length topic in division Units and Measurements of Physics – Class 11
Answer» Right OPTION is (b) 36 Easiest explanation: 36 inches make one yard. One FEET is MADE up of 12 inches. One-inch EQUALS to 25.4 mm.

Discussion

20.	Weight represents ___(a) Mass(b) Time(c) Pressure(d) ForceThis question was posed to me at a job interview.I want to ask this question from Measurement of Mass in chapter Units and Measurements of Physics – Class 11
Answer» Right answer is (d) FORCE The best explanation: Weight is the force EXERTED on a body by GRAVITY. It is the quantification of the gravitational pull on a body. Weight is EQUAL to mass times the acceleration due to gravity.

Discussion

21.	If the units of length and time are doubled, what will be the factor by which the unit of acceleration will change?(a) 1(b) 0.25(c) 0.5(d) 2The question was posed to me during an online interview.The above asked question is from Dimensional Formulae and Equations topic in chapter Units and Measurements of Physics – Class 11
Answer» Right answer is (c) 0.5 For explanation: The DIMENSIONS of acceleration are LT^-2. On DOUBLING both LENGTH and time, the NEW dimensions become (0.5)*LT^-2.

Discussion

22.	Which one of the following is a dimensionless quantity?(a) Mass(b) Weight(c) Specific weight(d) Reynold’s numberThe question was asked in an international level competition.Origin of the question is Dimensional Analysis and its Applications topic in portion Units and Measurements of Physics – Class 11
Answer» The correct option is (d) Reynold’s NUMBER For explanation: Reynold’s number is a DIMENSIONLESS quantity. Its formula is Re = ρvD/μ. On solving the associated dimensional EQUATION, it will turn out that, Reynold’s number is dimensionless.

Discussion

23.	How many decades are there in 1 century?(a) 10(b) 20(c) 4(d) 5I had been asked this question in my homework.This interesting question is from Measurement of Time in section Units and Measurements of Physics – Class 11
Answer» RIGHT choice is (a) 10 The explanation: One decade is made up of hundred YEARS. One century is made up of 100 years. Hence, one century contains 10 DECADES.

Discussion

24.	How many kilometers make one light year?(a) 9.4607 × 10^12 km(b) 9.4607 × 10^9 km(c) 9.4607 × 10^11 km(d) 9.4607 × 10^10 kmThis question was addressed to me by my college director while I was bunking the class.Question is from Measurement of Length in section Units and Measurements of Physics – Class 11
Answer» The correct answer is (d) 9.4607 × 10^10 km The explanation: One Light year is equal to 9.4607 × 10^12 km. In MILES, it can be represented as NEARLY 6 million million miles.

Discussion

25.	The number 0.005900, in standard scientific form can be expressed as ______(a) 5.9×10^3(b) 59×10^4(c) 5.9×10^2(d) 5.9×10^4I had been asked this question in my homework.I'd like to ask this question from Significant Figures in section Units and Measurements of Physics – Class 11
Answer» Right choice is (a) 5.9×10^3 The explanation is: Here the number of significant digits is 4. In STANDARD SCIENTIFIC form, we need not consider the zeros after 9 and need to BRING the VALUE between 1 and 9 in the FIRST place.

Discussion

26.	Which of the following is equivalent to one hour?(a) 36000 milliseconds(b) 3600 milliseconds(c) 3600000 milliseconds(d) 360000 millisecondsThis question was addressed to me during an internship interview.The query is from Measurement of Time topic in portion Units and Measurements of Physics – Class 11
Answer» Correct choice is (a) 36000 milliseconds The explanation: One hour is EQUAL to 60 MINUTES. 60 minutes are equal to 3600 seconds. And 3600 seconds are equal to 36000 milliseconds as one second EQUALS to 10 milliseconds.

Discussion

27.	Interplanetary distances are measured in ____(a) Light year(b) Kilometer(c) Megameter(d) WattThis question was posed to me in an interview for internship.Question is taken from Measurement of Length in chapter Units and Measurements of Physics – Class 11
Answer» Right option is (a) Light year For EXPLANATION: Such HUGE DISTANCES are measured in Light years. One light year is the distance travelled by light in one year.

Discussion

28.	Which of the following is a use of dimensional analysis?(a) To check the dimensional correctness of an equation(b) To solve the equation dimensionally(c) To get the number of dimensional constants(d) To understand the dimensional equationThe question was asked by my college professor while I was bunking the class.This interesting question is from Dimensional Analysis and its Applications in portion Units and Measurements of Physics – Class 11
Answer» Right choice is (a) To check the dimensional CORRECTNESS of an EQUATION Easiest explanation: Dimensional analysis is basically USED for two purposes. First, to check the dimensional correctness of an equation. Second, to convert a physical quantity from one system of UNITS to another.

Discussion

29.	Which of the following is not a system of units?(a) MKS(b) CGS(c) SI(d) DecibelThis question was addressed to me during an interview for a job.I need to ask this question from The International System of Units topic in section Units and Measurements of Physics – Class 11
Answer» RIGHT option is (d) Decibel Best explanation: MKS stands for meter-kilogram-second. CGS stands for centimeter-gram-second. SI stands for SYSTEM INTERNATIONAL. Decibel is a unit of sound intensity.

Discussion

30.	Convert 5 N to Dynes.(a) 500000 Dynes(b) 500 Dynes(c) 5 Dynes(d) 0.5 DynesI have been asked this question in a job interview.Asked question is from The International System of Units in division Units and Measurements of Physics – Class 11
Answer» The correct answer is (a) 500000 Dynes Easiest explanation: One Newton equals to 100000 Dynes, hence 5 N EQUAL to 500000 Dynes. DYNE is unit of force in the CGS SYSTEM.

Discussion

31.	Which of the following is the correct relation?(a) 1 Kg = 100 g(b) 1 Kg = 1 g(c) 1 g = 0.001 Kg(d) 1 g = 0.01 KgThis question was posed to me by my school principal while I was bunking the class.This question is from Measurement of Mass topic in section Units and Measurements of Physics – Class 11
Answer» The CORRECT CHOICE is (C) 1 g = 0.001 Kg To EXPLAIN I WOULD say: 1 kilogram consists of a thousand grams. Therefore 1 Kg = 1000g, which is equivalent to 1g = 0.001 Kg.

Discussion

32.	[MLT^-2] matches with the dimensional formula of ____(a) Force(b) Modulus of elasticity(c) Displacement(d) StrainThe question was posed to me in exam.I want to ask this question from Dimensional Formulae and Equations in portion Units and Measurements of Physics – Class 11
Answer» CORRECT answer is (a) FORCE For EXPLANATION: The given DIMENSIONAL formula matches with that of force. Force = mass x ACCELERATION.

Discussion

33.	How many kilometers make one nautical mile?(a) 1(b) 1.536(c) 1.852(d) 1.756I had been asked this question during an online interview.This interesting question is from Measurement of Length topic in section Units and Measurements of Physics – Class 11
Answer» The correct ANSWER is (c) 1.852 To elaborate: One Nautical mile CONSISTS of 1.852 KILOMETERS. This unit is often used in AIR and water navigations.

Discussion

34.	The number of base units for measuring physical quantities according to the SI system are ____(a) 1(b) 10(c) 7(d) 8This question was addressed to me in an international level competition.My question is from The International System of Units topic in chapter Units and Measurements of Physics – Class 11
Answer» Right answer is (c) 7 For explanation I WOULD SAY: There are 7 base units for measuring physical quantities according to the SI system. They are kilogram (kg) for mass, second (s) for time, kelvin (K) for temperature, ampere (A) for electric current, mole (MOL) for the amount of a substance, candela (cd) for luminous INTENSITY, and meter (m) for distance.

Discussion

35.	What are the dimensions of a light year?(a) L(b) T(c) LT^-1(d) MThis question was posed to me during an interview.This is a very interesting question from Dimensional Formulae and Equations in division Units and Measurements of Physics – Class 11
Answer» The correct answer is (a) L Easiest explanation: Lightyear is the UNIT of measurement of distance; hence it has the DIMENSIONS of distance. Lightyear is the distance travelled by light in one year. It finds its use mostly in ASTRONOMY.

Discussion

36.	In an experiment, it is found that the experimental value is very close to actual value, hence the experimental value can be called _____(a) Accurate(b) Precise(c) Suitable(d) MeanI got this question at a job interview.Question is taken from Accuracy, Precision of Instruments and Errors in Measurement topic in division Units and Measurements of Physics – Class 11
Answer» Right answer is (a) Accurate For EXPLANATION: Accuracy is the DEGREE to which a value is near to the ACTUAL or standard value. Hence if the experimental value is very CLOSE to the actual value, the MEASUREMENT can be called accurate.

Discussion

37.	Assuming standard notations, which of the following quantities is dimensionless?(a) v/a(b) P/Fv(c) FE/L(d) V^2/gThe question was asked during an online exam.My enquiry is from Dimensional Formulae and Equations in section Units and Measurements of Physics – Class 11
Answer» CORRECT option is (b) P/Fv Explanation: P/Fv is a DIMENSIONLESS QUANTITY. This is because, power(P) = FORCE(F) x Instantaneous Velocity(v).

Discussion

38.	Usually, what is the least count of a screw gauge?(a) 0.01 cm(b) 0.001 cm(c) 0.1 cm(d) 1 mmI had been asked this question during a job interview.Origin of the question is Measurement of Length topic in division Units and Measurements of Physics – Class 11
Answer» CORRECT option is (b) 0.001 cm Explanation: Usually the LEAST count of a screw gauge is 0.001 cm or 0.01 mm. For more ACCURATE RESULTS one might USE a micrometer.

Discussion

39.	Usually how many types of errors are present in scientific measurements?(a) 2(b) 3(c) 4(d) 5The question was asked by my college director while I was bunking the class.Question is taken from Accuracy, Precision of Instruments and Errors in Measurement topic in division Units and Measurements of Physics – Class 11
Answer» RIGHT answer is (b) 3 For explanation I would say: There are three TYPES of scientific ERRORS – RANDOM errors, Systematic errors and Blunders. Out of the three, systematic errors are the easiest to REMOVE.

Discussion

40.	In 5 experiments with the same objective, the values obtained are very near to each other. These values can be called ____(a) Precise(b) Accurate(c) Average(d) InvalidThe question was posed to me in an interview for job.This question is from Accuracy, Precision of Instruments and Errors in Measurement in division Units and Measurements of Physics – Class 11
Answer» RIGHT answer is (a) Precise The EXPLANATION: PRECISION refers to the how close the DATA points or NUMBERS in a set are. In this case the values obtained are very close to each other, hence they are precise.

Discussion

41.	How are systematic errors removed usually for an instrument?(a) By replacing it(b) By re-calibrating it(c) By using a repairing service(d) By not using it for some timeThe question was posed to me by my college director while I was bunking the class.I'm obligated to ask this question of Accuracy, Precision of Instruments and Errors in Measurement topic in portion Units and Measurements of Physics – Class 11
Answer» The CORRECT answer is (b) By re-calibrating it To explain: Systematic errors arise due to CARELESS or OVERUSE of an instrument. It can EASILY be removed by re-calibrating the instrument and maintaining it properly.

Discussion

42.	Which of the following unit is related to sound frequency?(a) Hertz(b) Decibel(c) Second(d) MeterI have been asked this question in an interview.Question is from Measurement of Time topic in chapter Units and Measurements of Physics – Class 11
Answer» The correct answer is (a) Hertz Best EXPLANATION: Decibel is the unit of sound INTENSITY. Hertz is the unit for measuring sound FREQUENCY. Hertz is the INVERSE of second.

Discussion

43.	Which of the following is a unit of temperature?(a) Degree(b) Meter(c) Second(d) FahrenheitThis question was posed to me in a job interview.This intriguing question comes from The International System of Units in portion Units and Measurements of Physics – Class 11
Answer» The CORRECT option is (d) Fahrenheit The BEST I can EXPLAIN: Fahrenheit is the UNIT for TEMPERATURE. Other units include Celsius and Kelvin.

Discussion

44.	What is the number 75.66852 rounded off to 5 significant digits?(a) 75.67(b) 75.669(c) 75.668(d) 75.667This question was posed to me during an interview for a job.This question is from Significant Figures topic in portion Units and Measurements of Physics – Class 11
Answer» RIGHT option is (b) 75.669 To ELABORATE: The answer is 75.669. 52 rounds of to 5 and hence 852 rounds of to 850 which in TURN rounds of to 900. Hence the final answer becomes 75.669.

Discussion

45.	How many kilometers make one mile?(a) 1(b) 2.5(c) 0.5(d) 1.6I had been asked this question by my college director while I was bunking the class.This intriguing question originated from Measurement of Length topic in division Units and Measurements of Physics – Class 11
Answer» The correct option is (d) 1.6 Easy explanation: ONE Kilometer is equal to 0.621371 miles. Inversely, one mile is equal to 1.60934 KILOMETERS. HENCE the CLOSEST option to the ACTUAL answer is 1.6.

Discussion

46.	89 Mega Joules can also be expressed as _____(a) 8900 Joules(b) 89000000 Joules(c) 89000 Joules(d) 890000 JoulesI got this question in a job interview.The query is from The International System of Units topic in section Units and Measurements of Physics – Class 11
Answer» The CORRECT option is (b) 89000000 Joules For EXPLANATION: 1 Mega Joule = 1000000 Joules. Therefore 89 Mega Joules = 89000000 Joules.

Discussion

47.	Which of the following system matches with the SI unit system?(a) FPS(b) MKS(c) CGS(d) American systemThe question was posed to me during an online interview.The query is from The International System of Units topic in section Units and Measurements of Physics – Class 11
Answer» Correct answer is (B) MKS Explanation: The MKS SYSTEM USES the same fundamental units as the SI system. It uses meter for DISTANCE, kilogram for mass, and second for time. These are all present as fundamental units in the SI system.

Discussion

48.	The dimension whose unit does not depend on any other dimension’s unit is known as ________(a) Fundamental dimension(b) Dependent dimension(c) Independent dimension(d) Absolute dimensionI got this question in an internship interview.This interesting question is from Dimensional Analysis and its Applications topic in chapter Units and Measurements of Physics – Class 11
Answer» Correct choice is (a) FUNDAMENTAL dimension The best I can explain: A fundamental dimension is one, whose UNITS do not DEPEND on the units of any other dimension. There are 7 fundamental DIMENSIONS in the SI system and rest all are derived from them.

Discussion

49.	What is the reason for the occurrence of systematic errors in an instrument ?(a) No use for a long time(b) High use(c) Manufacturing fault(d) Delivery faultI have been asked this question in my homework.I would like to ask this question from Accuracy, Precision of Instruments and Errors in Measurement topic in section Units and Measurements of Physics – Class 11
Answer» The CORRECT answer is (b) High use To ELABORATE: SYSTEMATIC errors ARISE due to high use of the instrument. It can also be present because of careless handling.

Discussion

50.	Which one of the following units can be used to measure matter?(a) Kilogram(b) Newton(c) Second(d) MileThis question was posed to me in an internship interview.The query is from Measurement of Mass in section Units and Measurements of Physics – Class 11
Answer» The CORRECT choice is (a) KILOGRAM To elaborate: Mass is USED to MEASURE matter. Hence, the UNITS to measure matter are same as the ones used to measure mass. Among the available choices, kilogram can be used to measure mass. Therefore, kilogram can be used to measure matter.

Discussion

Explore topic-wise InterviewSolutions in .

How many milliseconds make one second?(a) 10(b) 60(c) 45(d) 80This question was addressed to me by my school principal while I was bunking the class.My enquiry is from Measurement of Time topic in section Units and Measurements of Physics – Class 11

Which of the following devices cannot measure distance?(a) Vernier Calipers(b) Micrometer(c) Ruler(d) ProtractorThe question was asked in unit test.My doubt stems from Measurement of Length topic in section Units and Measurements of Physics – Class 11

How many significant digits are there in 25.33600?(a) 7(b) 8(c) 5(d) 6This question was addressed to me by my school principal while I was bunking the class.My enquiry is from Significant Figures in division Units and Measurements of Physics – Class 11

What is the standard unit of measurement of Force?(a) Newton(b) Joule(c) Meter(d) Newton-meterI had been asked this question by my school teacher while I was bunking the class.Question is from The International System of Units in chapter Units and Measurements of Physics – Class 11

How many significant digits are there in 002.5001?(a) 1(b) 5(c) 7(d) 6The question was asked during an interview for a job.The question is from Significant Figures in chapter Units and Measurements of Physics – Class 11

What is the full form of SI?(a) Standard International(b) System International(c) Scientific International(d) Science InternationalI got this question in homework.Question is taken from The International System of Units topic in portion Units and Measurements of Physics – Class 11

Number of significant digits in 0.0028900 is ______(a) 5(b) 6(c) 7(d) 8I got this question in an interview.This question is from Significant Figures topic in portion Units and Measurements of Physics – Class 11

The number of significant digits in 1559.00 is ____(a) 6(b) 5(c) 3(d) 4I got this question in an interview for internship.I would like to ask this question from Significant Figures in chapter Units and Measurements of Physics – Class 11

What is the maximum number of unknowns that can be found through a simple dimensional equation?(a) 6(b) 5(c) 3(d) 2I had been asked this question in unit test.My question is based upon Dimensional Formulae and Equations topic in portion Units and Measurements of Physics – Class 11

Identify the primary quantity from the following.(a) Mass(b) Density(c) Speed(d) VolumeThis question was posed to me in a job interview.This interesting question is from Dimensional Analysis and its Applications topic in section Units and Measurements of Physics – Class 11

The volume of a box, 10 m wide, 4.5m, long and 2.3 m high up to 3 significant digits in m^3 is ____(a) 104(b) 103.5(c) 103(d) 100This question was addressed to me during a job interview.My question is taken from Significant Figures in section Units and Measurements of Physics – Class 11

The number of significant digits in 5.002 is ____(a) 5(b) 4(c) 3(d) 6This question was posed to me during an online interview.I'm obligated to ask this question of Significant Figures in division Units and Measurements of Physics – Class 11

How many years are there in one millennium?(a) 1000(b) 100(c) 10(d) 70I have been asked this question by my school teacher while I was bunking the class.The query is from Measurement of Time topic in chapter Units and Measurements of Physics – Class 11

How many inches are there in 1 yard?(a) 12(b) 36(c) 6(d) 18This question was posed to me during a job interview.I'd like to ask this question from Measurement of Length topic in division Units and Measurements of Physics – Class 11

Weight represents ___(a) Mass(b) Time(c) Pressure(d) ForceThis question was posed to me at a job interview.I want to ask this question from Measurement of Mass in chapter Units and Measurements of Physics – Class 11

How many decades are there in 1 century?(a) 10(b) 20(c) 4(d) 5I had been asked this question in my homework.This interesting question is from Measurement of Time in section Units and Measurements of Physics – Class 11

The number 0.005900, in standard scientific form can be expressed as ______(a) 5.9×10^3(b) 59×10^4(c) 5.9×10^2(d) 5.9×10^4I had been asked this question in my homework.I'd like to ask this question from Significant Figures in section Units and Measurements of Physics – Class 11

Interplanetary distances are measured in ____(a) Light year(b) Kilometer(c) Megameter(d) WattThis question was posed to me in an interview for internship.Question is taken from Measurement of Length in chapter Units and Measurements of Physics – Class 11

Which of the following is not a system of units?(a) MKS(b) CGS(c) SI(d) DecibelThis question was addressed to me during an interview for a job.I need to ask this question from The International System of Units topic in section Units and Measurements of Physics – Class 11

Convert 5 N to Dynes.(a) 500000 Dynes(b) 500 Dynes(c) 5 Dynes(d) 0.5 DynesI have been asked this question in a job interview.Asked question is from The International System of Units in division Units and Measurements of Physics – Class 11

[MLT^-2] matches with the dimensional formula of ____(a) Force(b) Modulus of elasticity(c) Displacement(d) StrainThe question was posed to me in exam.I want to ask this question from Dimensional Formulae and Equations in portion Units and Measurements of Physics – Class 11

How many kilometers make one nautical mile?(a) 1(b) 1.536(c) 1.852(d) 1.756I had been asked this question during an online interview.This interesting question is from Measurement of Length topic in section Units and Measurements of Physics – Class 11

What are the dimensions of a light year?(a) L(b) T(c) LT^-1(d) MThis question was posed to me during an interview.This is a very interesting question from Dimensional Formulae and Equations in division Units and Measurements of Physics – Class 11

Assuming standard notations, which of the following quantities is dimensionless?(a) v/a(b) P/Fv(c) FE/L(d) V^2/gThe question was asked during an online exam.My enquiry is from Dimensional Formulae and Equations in section Units and Measurements of Physics – Class 11

Usually, what is the least count of a screw gauge?(a) 0.01 cm(b) 0.001 cm(c) 0.1 cm(d) 1 mmI had been asked this question during a job interview.Origin of the question is Measurement of Length topic in division Units and Measurements of Physics – Class 11

Which of the following unit is related to sound frequency?(a) Hertz(b) Decibel(c) Second(d) MeterI have been asked this question in an interview.Question is from Measurement of Time topic in chapter Units and Measurements of Physics – Class 11

Which of the following is a unit of temperature?(a) Degree(b) Meter(c) Second(d) FahrenheitThis question was posed to me in a job interview.This intriguing question comes from The International System of Units in portion Units and Measurements of Physics – Class 11

What is the number 75.66852 rounded off to 5 significant digits?(a) 75.67(b) 75.669(c) 75.668(d) 75.667This question was posed to me during an interview for a job.This question is from Significant Figures topic in portion Units and Measurements of Physics – Class 11

How many kilometers make one mile?(a) 1(b) 2.5(c) 0.5(d) 1.6I had been asked this question by my college director while I was bunking the class.This intriguing question originated from Measurement of Length topic in division Units and Measurements of Physics – Class 11

89 Mega Joules can also be expressed as _____(a) 8900 Joules(b) 89000000 Joules(c) 89000 Joules(d) 890000 JoulesI got this question in a job interview.The query is from The International System of Units topic in section Units and Measurements of Physics – Class 11

Which of the following system matches with the SI unit system?(a) FPS(b) MKS(c) CGS(d) American systemThe question was posed to me during an online interview.The query is from The International System of Units topic in section Units and Measurements of Physics – Class 11

Which one of the following units can be used to measure matter?(a) Kilogram(b) Newton(c) Second(d) MileThis question was posed to me in an internship interview.The query is from Measurement of Mass in section Units and Measurements of Physics – Class 11