100 + Interview Questions in GENERAL KNOWLEDGE in Physics Page 1 InterviewSolution

1.	When a gas expands adiabactically?1). ?no energy is required for expansion2). energy is required and it comes from the wall of the container of the gas3). 4). law of conservation of energy does not hold
Answer» : SEEMS CORRECT

Discussion

2.	If ahigh power heater is connected to electric mains, then the bulbs in the house become dim because there is a1). current drop2). potential drop?3). no current drop4). no potential drop
Answer» I am not SURE, MAY be CURRENT DROP is CORRECT

Discussion

3.	In optical instrument, the lenses are used to form image by the phenomenon of -1). reflection2). refraction3). scattering4). diffusion
Answer» I am not SURE, MAY be REFRACTION is CORRECT

Discussion

4.	___________ is a form of computer data storage which stores frequently used program instructions to increase the general speed of a system.1). Arithmetic Logic Unit2). Integrated Circuit3). Random Access Memory4). Portable Document Format
Answer» OPTION 3 : - RANDOM ACCESS MEMORY

Discussion

5.	The resistance of a wire is R. It is stretched uniformly so that its length is doubled. The resistance now becomes1). 2R2). R/23). 4 R4). ?R/4
Answer» I THINK OPTION 3 is the RIGHT ANSWER

Discussion

6.	?Which are the relevant waves in?telecommunication?1). X ? rays2). Violet ? rays3). microwaves4). all of them?
Answer» MICROWAVES : - OPTION 3

Discussion

7.	What will happen if an object is dropped from a height and there is no air resistance?1). It will fall with a constant speed and acceleration2). Its acceleration will increase3). Both speed and acceleration will increase4). Its speed will increase
Answer» HELLO, Its SPEED will INCREASE is CORRECT

Discussion

8.	An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's1). First law2). Second law3). Third law4). Fourth law
Answer» FIRST LAW : - OPTION 1

Discussion

9.	The concentration of pollutants in atmosphere is generally expressed in:1). Parst per billion2). Kilogram per square metre?3). Parts per trillion4). ?Parst per million
Answer» OPTION 2 is the RIGHT ANSWER

Discussion

10.	Which among the following is?symbiosis Nitrogern - fixing bacteria?1). Pseudomoria2). Rhizobium3). Azotobacter4). Xanthomonas
Answer» OPTION 3 : - AZOTOBACTER

Discussion

11.	Crirical angle of light passing from glass to water is minimum for1). ?interference2). total reflection3). scattering4). double refraction
Answer» OPTION 4 : SEEMS CORRECT

Discussion

12.	The process of combining strings is?known as1). compiling2). Combining3). Attaching4). Concatenation
Answer» is OPTION 4 is the CORRECT ANSWER?? am i RIGHT?

Discussion

13.	Which one among the following is responsible for formation of 'Ozone Holes' in the stratosphere?1). Benzophye2). ?Hydrocarbons3). Chlorofluorocarbons4). UV radiation
Answer» OPTION 3 : - CHLOROFLUOROCARBONS

Discussion

14.	Total internal reflection cannot take place when light goes from:1). water to glass?2). ?water to air?3). glass to air4). glass to water?
Answer» OPTION 1 is the ANSWER

Discussion

15.	Isobars have _______.1). Same mass numbers but different atomic numbers2). Different mass numbers but same atomic numbers3). Same mass and atomic numbers4). Different mass and atomic numbers
Answer» OPTION 1 is the ANSWER

Discussion

16.	Which of the following is used by dentis to see the image of teech of a patient?1). Cancave lense2). ?Convex lense?3). Convex mirror4). Plane mirror?
Answer»

Discussion

17.	The heat transferred by the radiator of arefrigerator is1). more than that at the freezer?2). less than that at the freezer3). the same as that at the freezer4). None of these
Answer» OPTION 1 is the RIGHT ANSWER

Discussion

18.	A motor converts1). mechanical energy into electrical energy2). ?mechanical energy into sound energy?3). ?electrical energy into mechanical energy4). None of these
Answer» it from previous YEAR ssc papers, OPTION 3 is the right ANSWER

Discussion

19.	Sound travel fastest in1). steel2). air?3). water4). vaccum
Answer» OPTION 1 is the RIGHT ONE

Discussion

20.	A switch is always connected to the?1). earth wire2). neutral wire?3). line wire4). None of these?
Answer» OPTION 3 : - LINE WIRE

Discussion

21.	?Good resistance coils are made of1). ?Copper2). manganin3). gold?4). silver
Answer» it from PREVIOUS year ssc PAPERS, manganin is the RIGHT ANSWER

Discussion

22.	Farad is unit of.........1). Capacitance2). Reactance3). Electric charge4). Electric conductance
Answer» RIGHT ANSWER is CAPACITANCE

Discussion

23.	Sound waves do not exhibit the phenomenon of1). interference2). diffraction3). ?refraction4). polarization
Answer» RIGHT ANSWER for this QUESTION is OPTION 4

Discussion

24.	If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?1). 4:012). ?1 : 163). 2:014). 1:04
Answer» OPTION 1 : - 4:01

Discussion

25.	?Particle which can be added to the nucleus of an atom without changing its chemical properties are1). Electrons2). protons3). Neutrons4). $alpha$ -particles
Answer» NEUTRONS is the BEST SUITED

Discussion

26.	Sound waves are similar to the?waves1). of laswer light passing through air?2). generated in a stretched wire by hitting or plucking the wire3). generated in a pipe filled with air by?moving the piston attached to the pipe up and down4). generated by the mobile phone towers?
Answer» ANSWER for this QUESTION is OPTION 3

Discussion

27.	If a body slides over a surface, the force resisting the motion between them is called ______.1). Centripetal force2). Friction3). Centrifugal force4). Inertia
Answer» i THINK OPTION 2 is CORRECT

Discussion

28.	?Burns caused by steam are much more severe than those caused by boiling water because1). steam has latent heat?2). Steam is gas and engulfs the body quickly3). Stem pierces throught the pores of?body quickly4). Temperature of steam is higher?
Answer» This question was ASKED some where in previous year PAPERS of ssc, and correct answer was OPTION 1

Discussion

29.	Newton's first law is also known as _______.1). Law of friction2). Law of moments3). Law of Inertia4). Law of motion
Answer» OPTION 3 : - LAW of INERTIA

Discussion

30.	A ray of light when refracted suffers change in velocity. In theis context, which one among the following statements is correct ?1). Velocity increases as the ray passes from a rarer to a denser medium2). Velocity decreases as the ray passes from a denser to a rarer medium3). Velocity decreases as the ray passes from a rarer to a denser medium4). Change of velocity does not depend on the nature of medium
Answer» Velocity DECREASES as the ray passes from a RARER to a denser MEDIUM is the BEST SUITED

Discussion

31.	?When a charged particle entres a?uniform magnetic field its kinetic energy1). Remains constant2). ?increased?3). Decreases4). becomes?
Answer» REMAINS CONSTANT : SEEMS CORRECT

Discussion

32.	Which one of the following is not a?result of surface tension?1). Nearly spherical drop of rain?2). Capillary rise?3). Removal of dirt by soap or detergent?4). Flow of liquid
Answer» OPTION 4 : SEEMS CORRECT

Discussion

33.	?Which one of the following phenomena is used in optical fibres?1). Scattering?2). successive reflections3). Refraction4). total internal reflection
Answer» I have READ it SOMEWHERE total internal REFLECTION is correct

Discussion

34.	Acceptable "Noise Pollution Level" in?India range between:1). 10 ? 15 dec2). 16 ? 35 dec3). 40 ? 45 dec4). 70 ? 100 dec
Answer» ANSWER for this QUESTION is OPTION 3

Discussion

35.	It is difficult to cook at high altitudes?because1). ?there is less oxygen in the air2). due to falling temperature, more heat has to be given3). due to decrease in atmospheric pressure, the boiling point of water decreases4). of high moisture content there
Answer» OPTION 3 is the RIGHT ONE

Discussion

36.	Which one among the following is not responsible for 'green house effect'?1). Water2). Carbon dioxide3). Nitrogen?4). Chlorofluorocarbons?
Answer» OPTION 3 : SEEMS CORRECT

Discussion

37.	Why metals conduct electricity?1). Because of low melting point2). Because of high tensile strength3). Because of free electrons4). Because of high atomic density
Answer» CORRECT ANSWER is: OPTION 3

Discussion

38.	For what is Mohs scale used?1). To measure brightness of a substance2). To measure viscosity of a liquid3). To measure elasticity of a material4). To measure hardness of minerals
Answer» CORRECT ANSWER is: To MEASURE HARDNESS of MINERALS

Discussion

39.	The rapidly growing mass of phytoplankton covering the surface water of lake or pond is known as:1). Water pollution2). ?Water hyacinth?3). Eutrophication?4). Water bloom
Answer» CORRECT ANSWER is: OPTION 3

Discussion

40.	India would phase out the production and consumption of the controlled ODS (ozone -depleting substances) withing the time frame and limits specified in the1). Vienna convention?2). Basel Convention3). Montreal Protocol?4). ?Agenda 21?
Answer» Its TOUGH but OPTION 3 SEEMS CORRECT

Discussion

41.	The loudness of sound depends upon1). velocity2). ?pitch3). amplitude4). wavelength?
Answer» I am not SURE, MAY be AMPLITUDE is CORRECT

Discussion

42.	The audible requency range of?human ear is1). 20 hertz to 200 hertz2). 2 hertz to 20 hertz3). 200 hertz to 2000 hertz4). 20 hertz to 20000 hertz?
Answer» i THINK OPTION 4 is CORRECT

Discussion

43.	An object is in static equilibrium when it is _______.1). at rest2). moving in a circular path3). moving with uniform velocity4). accelerating at high speed
Answer» at REST : SEEMS CORRECT

Discussion

44.	The primary colours in phothgraphy?are1). red, blue, yellow2). red, yellow, green?3). red, blue, green4). ?red, green, cyan
Answer» RED, BLUE, GREEN : SEEMS CORRECT

Discussion

45.	For television broadcasting the frequency employed is normally1). 30 ? 300 MHz2). 30 ? 300 GHz3). 30 ? 300 kHz?4). 30 ? 300 Hz?
Answer» OPTION 1 is the ANSWER

Discussion

46.	The quality of sound produced by an?instrument depends on the1). frequency2). intensity?3). ?number of overtones4). none of these
Answer» OPTION 3 is the ANSWER

Discussion

47.	The instrument used to measure pressue.1). Aneroid Barometer?2). ?Anemometer3). Thermometer4). Hygrometer
Answer» OPTION 1 is the RIGHT ANSWER

Discussion

48.	The clouds float in the atmosphere?because of their low1). ?temperature2). ?velocity?3). pressure4). density
Answer» OPTION 1 is the RIGHT ANSWER

Discussion

49.	Sound moves with higher velocity if?1). pressure of the medium is decreased2). temperature of the medium in?increased3). humidity of the medium?4). both (b) and ( c)
Answer» i THINK OPTION 4 is CORRECT

Discussion

50.	Which of the gas is not known as greenhouse gas?1). Methene2). ?Carbon dioxide?3). Nitrous oxide4). Hydrogen
Answer» Its very SIMPLE QUESTION HYDROGEN is the CORRECT ANSWER.

Discussion

Explore topic-wise InterviewSolutions in .

When a gas expands adiabactically?1). ?no energy is required for expansion2). energy is required and it comes from the wall of the container of the gas3). 4). law of conservation of energy does not hold

If ahigh power heater is connected to electric mains, then the bulbs in the house become dim because there is a1). current drop2). potential drop?3). no current drop4). no potential drop

In optical instrument, the lenses are used to form image by the phenomenon of -1). reflection2). refraction3). scattering4). diffusion

___________ is a form of computer data storage which stores frequently used program instructions to increase the general speed of a system.1). Arithmetic Logic Unit2). Integrated Circuit3). Random Access Memory4). Portable Document Format

The resistance of a wire is R. It is stretched uniformly so that its length is doubled. The resistance now becomes1). 2R2). R/23). 4 R4). ?R/4

?Which are the relevant waves in?telecommunication?1). X ? rays2). Violet ? rays3). microwaves4). all of them?

What will happen if an object is dropped from a height and there is no air resistance?1). It will fall with a constant speed and acceleration2). Its acceleration will increase3). Both speed and acceleration will increase4). Its speed will increase

An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's1). First law2). Second law3). Third law4). Fourth law

The concentration of pollutants in atmosphere is generally expressed in:1). Parst per billion2). Kilogram per square metre?3). Parts per trillion4). ?Parst per million

Which among the following is?symbiosis Nitrogern - fixing bacteria?1). Pseudomoria2). Rhizobium3). Azotobacter4). Xanthomonas

Crirical angle of light passing from glass to water is minimum for1). ?interference2). total reflection3). scattering4). double refraction

The process of combining strings is?known as1). compiling2). Combining3). Attaching4). Concatenation

Which one among the following is responsible for formation of 'Ozone Holes' in the stratosphere?1). Benzophye2). ?Hydrocarbons3). Chlorofluorocarbons4). UV radiation

Total internal reflection cannot take place when light goes from:1). water to glass?2). ?water to air?3). glass to air4). glass to water?

Isobars have _______.1). Same mass numbers but different atomic numbers2). Different mass numbers but same atomic numbers3). Same mass and atomic numbers4). Different mass and atomic numbers

Which of the following is used by dentis to see the image of teech of a patient?1). Cancave lense2). ?Convex lense?3). Convex mirror4). Plane mirror?

The heat transferred by the radiator of arefrigerator is1). more than that at the freezer?2). less than that at the freezer3). the same as that at the freezer4). None of these

A motor converts1). mechanical energy into electrical energy2). ?mechanical energy into sound energy?3). ?electrical energy into mechanical energy4). None of these

Sound travel fastest in1). steel2). air?3). water4). vaccum

A switch is always connected to the?1). earth wire2). neutral wire?3). line wire4). None of these?

?Good resistance coils are made of1). ?Copper2). manganin3). gold?4). silver

Farad is unit of.........1). Capacitance2). Reactance3). Electric charge4). Electric conductance

Sound waves do not exhibit the phenomenon of1). interference2). diffraction3). ?refraction4). polarization

If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?1). 4:012). ?1 : 163). 2:014). 1:04

?Particle which can be added to the nucleus of an atom without changing its chemical properties are1). Electrons2). protons3). Neutrons4). $alpha$ -particles

Sound waves are similar to the?waves1). of laswer light passing through air?2). generated in a stretched wire by hitting or plucking the wire3). generated in a pipe filled with air by?moving the piston attached to the pipe up and down4). generated by the mobile phone towers?

If a body slides over a surface, the force resisting the motion between them is called ______.1). Centripetal force2). Friction3). Centrifugal force4). Inertia

?Burns caused by steam are much more severe than those caused by boiling water because1). steam has latent heat?2). Steam is gas and engulfs the body quickly3). Stem pierces throught the pores of?body quickly4). Temperature of steam is higher?

Newton's first law is also known as _______.1). Law of friction2). Law of moments3). Law of Inertia4). Law of motion

?When a charged particle entres a?uniform magnetic field its kinetic energy1). Remains constant2). ?increased?3). Decreases4). becomes?

Which one of the following is not a?result of surface tension?1). Nearly spherical drop of rain?2). Capillary rise?3). Removal of dirt by soap or detergent?4). Flow of liquid

?Which one of the following phenomena is used in optical fibres?1). Scattering?2). successive reflections3). Refraction4). total internal reflection

Acceptable "Noise Pollution Level" in?India range between:1). 10 ? 15 dec2). 16 ? 35 dec3). 40 ? 45 dec4). 70 ? 100 dec

It is difficult to cook at high altitudes?because1). ?there is less oxygen in the air2). due to falling temperature, more heat has to be given3). due to decrease in atmospheric pressure, the boiling point of water decreases4). of high moisture content there

Which one among the following is not responsible for 'green house effect'?1). Water2). Carbon dioxide3). Nitrogen?4). Chlorofluorocarbons?

Why metals conduct electricity?1). Because of low melting point2). Because of high tensile strength3). Because of free electrons4). Because of high atomic density

For what is Mohs scale used?1). To measure brightness of a substance2). To measure viscosity of a liquid3). To measure elasticity of a material4). To measure hardness of minerals

The rapidly growing mass of phytoplankton covering the surface water of lake or pond is known as:1). Water pollution2). ?Water hyacinth?3). Eutrophication?4). Water bloom

India would phase out the production and consumption of the controlled ODS (ozone -depleting substances) withing the time frame and limits specified in the1). Vienna convention?2). Basel Convention3). Montreal Protocol?4). ?Agenda 21?

The loudness of sound depends upon1). velocity2). ?pitch3). amplitude4). wavelength?

The audible requency range of?human ear is1). 20 hertz to 200 hertz2). 2 hertz to 20 hertz3). 200 hertz to 2000 hertz4). 20 hertz to 20000 hertz?

An object is in static equilibrium when it is _______.1). at rest2). moving in a circular path3). moving with uniform velocity4). accelerating at high speed

The primary colours in phothgraphy?are1). red, blue, yellow2). red, yellow, green?3). red, blue, green4). ?red, green, cyan

For television broadcasting the frequency employed is normally1). 30 ? 300 MHz2). 30 ? 300 GHz3). 30 ? 300 kHz?4). 30 ? 300 Hz?

The quality of sound produced by an?instrument depends on the1). frequency2). intensity?3). ?number of overtones4). none of these

The instrument used to measure pressue.1). Aneroid Barometer?2). ?Anemometer3). Thermometer4). Hygrometer

The clouds float in the atmosphere?because of their low1). ?temperature2). ?velocity?3). pressure4). density

Sound moves with higher velocity if?1). pressure of the medium is decreased2). temperature of the medium in?increased3). humidity of the medium?4). both (b) and ( c)

Which of the gas is not known as greenhouse gas?1). Methene2). ?Carbon dioxide?3). Nitrous oxide4). Hydrogen