9478 + Interview Questions in Physics Page 26 InterviewSolution

1251.	(365.247/224.633)^2/3 how to solve this statement having power (exponent)in the form of fraction
Answer» (365.247/224.633)^2/3 how to solve this statement having power (exponent)in the form of fraction

Discussion

1252.	Select the correct order:
Answer» Select the correct order:

Discussion

1253.	let a car is going on the speed of light. And at that moment it turns on it's headlight then what will happen to that light. is it stays behid the car ?
Answer» let a car is going on the speed of light. And at that moment it turns on it's headlight then what will happen to that light. is it stays behid the car ?

Discussion

1254.	23.What is the difference between uniformly accelerated motion and uniform motion
Answer» 23.What is the difference between uniformly accelerated motion and uniform motion

Discussion

1255.	What is the name of the scale which is used to quantify the size of an earthquake?
Answer» What is the name of the scale which is used to quantify the size of an earthquake?

Discussion

1256.	SOLIDS EXPAND ON HEATING BECAUSE (1)KINETIC ENERGY OF ATOM INCREASES (2)POTENTIAL ENERGY OF ATOM INCREASES (3)TOTAL ENERGY OF ATOM INCREASES (4)THE POTENTIAL ENERGY CURVE IS ASYMMETRIC ABOUT THE EQUILIBRIUM DISTANCE BETWEEN NEIGHBOURING ATOMS
Answer» SOLIDS EXPAND ON HEATING BECAUSE (1)KINETIC ENERGY OF ATOM INCREASES (2)POTENTIAL ENERGY OF ATOM INCREASES (3)TOTAL ENERGY OF ATOM INCREASES (4)THE POTENTIAL ENERGY CURVE IS ASYMMETRIC ABOUT THE EQUILIBRIUM DISTANCE BETWEEN NEIGHBOURING ATOMS

Discussion

1257.	what is derivation of v=w×rwhere w=angular velocity
Answer» what is derivation of v=w×r where w=angular velocity

Discussion

1258.	Question 3 (d) Fill in the blanks in the following statements: (d) The north pole of a magnet ___ the north pole of another magnet.
Answer» Question 3 (d) Fill in the blanks in the following statements: (d) The north pole of a magnet ___ the north pole of another magnet.

Discussion

1259.	When you keep objects very close to the eye the ciliary muscles ________.
Answer» When you keep objects very close to the eye the ciliary muscles ________.

Discussion

1260.	The tremendous electric charges in the atmosphere which produce sheet lightning in the clouds are produced by the process of : (a) friction (b) induction (c) conduction (d) convection
Answer» The tremendous electric charges in the atmosphere which produce sheet lightning in the clouds are produced by the process of : (a) friction (b) induction (c) conduction (d) convection

1260.

The tremendous electric charges in the atmosphere which produce sheet lightning in the clouds are produced by the process of : (a) friction (b) induction (c) conduction (d) convection

Answer»

The tremendous electric charges in the atmosphere which produce sheet lightning in the clouds are produced by the process of :

(a) friction (b) induction (c) conduction (d) convection

Discussion

1261.	When two tuning forks A and B are sounded together, 4 beats per second are heard. The frequency of the fork B is 384 Hz. When one of the prongs of the fork A is filed and sounded with B, the beat frequency increases, then the frequency of the fork A is
Answer» When two tuning forks A and B are sounded together, 4 beats per second are heard. The frequency of the fork B is 384 Hz. When one of the prongs of the fork A is filed and sounded with B, the beat frequency increases, then the frequency of the fork A is

Discussion

1262.	Why do we mix Chromium with other metals?
Answer» Why do we mix Chromium with other metals?

Discussion

1263.	37.Explain dipole induced dipole Forces.
Answer» 37.Explain dipole induced dipole Forces.

Discussion

1264.	Are we really in contact of object while performing contact forces?
Answer» Are we really in contact of object while performing contact forces?

Discussion

1265.	Which of the following is/are fundamental unit?
Answer» Which of the following is/are fundamental unit?

Discussion

1266.	At the interface of two transparent media, at the point of incidence, the incident ray, the refracted ray and the normal all lie in _____.
Answer» At the interface of two transparent media, at the point of incidence, the incident ray, the refracted ray and the normal all lie in _____.

Discussion

1267.	(a) Define density. What is the SI unit of density?(b) Define relative density. What s the SI unit of relative density?
Answer» (a) Define density. What is the SI unit of density? (b) Define relative density. What s the SI unit of relative density?

Discussion

1268.	What is the latent heat of vapourisation and latent heat of fusion?
Answer» What is the latent heat of vapourisation and latent heat of fusion?

Discussion

1269.	A steel spur pinion has a module (m) of 1.25 mm, 20 teeth and 20∘ pressure angle. The pinion rotates at 1200 rpm and transmits power to a 60 teeth gear. The face width (F) is 50 mm, Lewis form factor Y= 0.322 and a dynamic factor Kv=1.26. The bending stress(σ) induced in a tooth can be calculated by using the Lewis formula given below.If the maximum bending stress experienced by the pinion is 400MPa. The power transmitted is (round off to one decimal place),Lewis formula: σ=KvWtFmY, where Wt is the tangential load acting on the pinion.
Answer» $A steel spur pinion has a module (m) of 1.25 mm, 20 teeth and 20^{\circ} pressure angle. The pinion rotates at 1200 rpm and transmits power to a 60 teeth gear. The face width (F) is 50 mm, Lewis form factor Y= 0.322 and a dynamic factor K_{v} = 1.26. The bending stress (σ) induced in a tooth can be calculated by using the Lewis formula given below.$ $If the maximum bending stress experienced by the pinion is 400MPa. The power transmitted is$ $(round off to one decimal place),$ $Lewis formula: σ = \frac{K_{v} W^{t}}{F m Y}, w h e r e W^{t} is the tangential load acting on the pinion.$

Discussion

1270.	What is the circular opening in the middle of iris known as?
Answer» What is the circular opening in the middle of iris known as?

Discussion

1271.	Compare the sounds made by a Cuckoo and roar of a Tiger. Which among these two have higher pitch and what quantity determines the pitch.Also give the unit of the quantity. [3 MARKS]
Answer» Compare the sounds made by a Cuckoo and roar of a Tiger. Which among these two have higher pitch and what quantity determines the pitch.Also give the unit of the quantity. [3 MARKS]

Discussion

1272.	74.1g of ice and 1g vapour are mixed together. Assuming no heat loss, what is the final temperature of the system
Answer» 74.1g of ice and 1g vapour are mixed together. Assuming no heat loss, what is the final temperature of the system

Discussion

1273.	explain the non conservative force with an example ?
Answer» explain the non conservative force with an example ?

Discussion

1274.	Identify the scenario in which friction does not act between the blocks.
Answer» Identify the scenario in which friction does not act between the blocks.

Discussion

1275.	A body is moving with uniform retardation covers 1.5 km before its speed reduced to half of its initial value. it comes to rest in ano
Answer» A body is moving with uniform retardation covers 1.5 km before its speed reduced to half of its initial value. it comes to rest in ano

Discussion

1276.	37.A wave of frequency 500 HZ has a phase velocity of 300m/s. How far apart are two point 45^° out of phase? and What is the phase difference between two displacement at a certain point at times 2÷1000 s apart?
Answer» 37.A wave of frequency 500 HZ has a phase velocity of 300m/s. How far apart are two point 45^° out of phase? and What is the phase difference between two displacement at a certain point at times 2÷1000 s apart?

Discussion

1277.	Light of different colors propagates through vaccum with
Answer» Light of different colors propagates through vaccum with

Discussion

1278.	How exactly does lateral inversion happen
Answer» How exactly does lateral inversion happen

Discussion

1279.	3.State true or false with explained reason 1) electrical conduction reduces in schottky defect 2)in f centre defect electrical conductance increases 3) in extra positive ions and electron defect electrical conductance increases 4)in positive in absent defect conductance reduces Explain with reason all 4 statement and also retify the wrong ones
Answer» 3.State true or false with explained reason 1) electrical conduction reduces in schottky defect 2)in f centre defect electrical conductance increases 3) in extra positive ions and electron defect electrical conductance increases 4)in positive in absent defect conductance reduces Explain with reason all 4 statement and also retify the wrong ones

Discussion

1280.	What is dynamics and kindematics?
Answer» What is dynamics and kindematics?

Discussion

1281.	Identify the incorrect option from the following.
Answer» Identify the incorrect option from the following.

Discussion

1282.	Air horn is allowed on high ways but banned within cities. Why?
Answer» Air horn is allowed on high ways but banned within cities. Why?

1282.

Air horn is allowed on high ways but banned within cities. Why?

Answer»

Air horn is allowed on high ways but banned within cities. Why?

Discussion

1283.	A meteor starts burning when it enters Earth's atmosphere. Which of the following correctly explains this?
Answer» A meteor starts burning when it enters Earth's atmosphere. Which of the following correctly explains this?

Discussion

1284.	Which of these is not a property of an image formed by a place nirror?(a) It is of the same shape as the object.(b) It does not show any details in the object.(c) it is of the same colour as the object.(d) It is of the same size as the object.
Answer» Which of these is not a property of an image formed by a place nirror? (a) It is of the same shape as the object. (b) It does not show any details in the object. (c) it is of the same colour as the object. (d) It is of the same size as the object.

Discussion

1285.	A light rod (of length D) with two points charges qand -q, both of mass m are attached at its end isplaced in a region of uniform electric field withintensity E as shown in figure. The angularacceleration of the rod at the instant shown is6qE cosümi6qEsniml가2qE sinaml2qE cosi(3) ml(4厂
Answer» A light rod (of length D) with two points charges qand -q, both of mass m are attached at its end isplaced in a region of uniform electric field withintensity E as shown in figure. The angularacceleration of the rod at the instant shown is6qE cosümi6qEsniml가2qE sinaml2qE cosi(3) ml(4厂

Discussion

1286.	Which of the following are harmful effects caused due to noise pollution?A. InsomniaB. HypertensionC. Hearing impairment
Answer» Which of the following are harmful effects caused due to noise pollution? A. Insomnia B. Hypertension C. Hearing impairment

Discussion

1287.	A stone is dropped from the top of a tower and travels 24.5 m in the last second of its journey. The height of the tower is
Answer» A stone is dropped from the top of a tower and travels 24.5 m in the last second of its journey. The height of the tower is

Discussion

1288.	The sound which is below the frequency of 20 Hz is called ___
Answer» The sound which is below the frequency of 20 Hz is called ___

Discussion

1289.	If the distance between the sun and the earth is increased three times then the attraction between the two will--(1)remains constant. (2)decrease 63%. (3)decrease by 83%. (4)decrease by 89%
Answer» If the distance between the sun and the earth is increased three times then the attraction between the two will--(1)remains constant. (2)decrease 63%. (3)decrease by 83%. (4)decrease by 89%

Discussion

1290.	Two plane mirrors are placed parallel to each other as shown in the figure There is anplaced between the mirrors, at 10 cm from mirror M2 What are the distances of firstformed by M, from A#3two imagesM,10 c20cm(2) 10 cm, 10 cm(4) 10 cm. 20 cm(1) 5 cm, 30 cm(3) 10 cm, 30 cm
Answer» Two plane mirrors are placed parallel to each other as shown in the figure There is anplaced between the mirrors, at 10 cm from mirror M2 What are the distances of firstformed by M, from A#3two imagesM,10 c20cm(2) 10 cm, 10 cm(4) 10 cm. 20 cm(1) 5 cm, 30 cm(3) 10 cm, 30 cm

Discussion

1291.	a thij mettalic strip is introduced between plate of parapllel plate capacitor touching plate f how capaci†an ce change
Answer» a thij mettalic strip is introduced between plate of parapllel plate capacitor touching plate f how capaci†an ce change

Discussion

1292.	If the atomic number of carbon is (Z = 6), what is the number of the electrons revolving in its atom?
Answer» If the atomic number of carbon is (Z = 6), what is the number of the electrons revolving in its atom?

Discussion

1293.	I have a resistor marked with colours Red, Blue, Yellow and Gold from left to right. What is its resistance?
Answer» I have a resistor marked with colours Red, Blue, Yellow and Gold from left to right. What is its resistance?

Discussion

1294.	an ideal induc†an ce coil is connected to a parallel plate capacitor . electrical oscillation with energy W are set up in this circuit . the capacitor plates are slowly drawn apart till the frequency of oscillations is doubled . the work done i this process will be.
Answer» an ideal induc†an ce coil is connected to a parallel plate capacitor . electrical oscillation with energy W are set up in this circuit . the capacitor plates are slowly drawn apart till the frequency of oscillations is doubled . the work done i this process will be.

Discussion

1295.	Which is the largest planet of our solar system?
Answer» Which is the largest planet of our solar system?

Discussion

1296.	63.COCL2 is heated to 724 Kelvin at 1 ATM. The density of gas mixture at equilibrium was found to be 1.162g/l.calculate a)the degree of dissociation b)Kp of the reaction
Answer» 63.COCL2 is heated to 724 Kelvin at 1 ATM. The density of gas mixture at equilibrium was found to be 1.162g/l.calculate a)the degree of dissociation b)Kp of the reaction

Discussion

1297.	The pressure which produces a thrust on the object is the reason some objects___.
Answer» The pressure which produces a thrust on the object is the reason some objects___.

Discussion

1298.	Question 1 In Fig, two boys A and B are shown applying force on a block. If the block moves towards the right, which one of the following statements is correct? (a) Magnitude of force applied by A is greater than that of B. (b) Magnitude of force applied by A is smaller than that of B. (c) Net force on the block is towards A. (d) Magnitude of force applied by A is equal to that of B.
Answer» Question 1 In Fig, two boys A and B are shown applying force on a block. If the block moves towards the right, which one of the following statements is correct? (a) Magnitude of force applied by A is greater than that of B. (b) Magnitude of force applied by A is smaller than that of B. (c) Net force on the block is towards A. (d) Magnitude of force applied by A is equal to that of B.

Discussion

1299.	In an irregularly shaped conductor, where will be the point of maximum charge?
Answer» In an irregularly shaped conductor, where will be the point of maximum charge?

Discussion

1300.	Q 42/45 A car is moving with speed 20 m/s in east direction and ascooterist is moving with same speed in same direction. The car blow ahorn of frequency 150 Hz. The frequency of horn heard by the scooteristis (Take speed of sound 340 m/s)
Answer» Q 42/45 A car is moving with speed 20 m/s in east direction and ascooterist is moving with same speed in same direction. The car blow ahorn of frequency 150 Hz. The frequency of horn heard by the scooteristis (Take speed of sound 340 m/s)

Discussion

Explore topic-wise InterviewSolutions in .

(365.247/224.633)^2/3 how to solve this statement having power (exponent)in the form of fraction

Select the correct order:

let a car is going on the speed of light. And at that moment it turns on it's headlight then what will happen to that light. is it stays behid the car ?

23.What is the difference between uniformly accelerated motion and uniform motion

What is the name of the scale which is used to quantify the size of an earthquake?

SOLIDS EXPAND ON HEATING BECAUSE (1)KINETIC ENERGY OF ATOM INCREASES (2)POTENTIAL ENERGY OF ATOM INCREASES (3)TOTAL ENERGY OF ATOM INCREASES (4)THE POTENTIAL ENERGY CURVE IS ASYMMETRIC ABOUT THE EQUILIBRIUM DISTANCE BETWEEN NEIGHBOURING ATOMS

what is derivation of v=w×rwhere w=angular velocity

Question 3 (d) Fill in the blanks in the following statements: (d) The north pole of a magnet ___ the north pole of another magnet.

When you keep objects very close to the eye the ciliary muscles ________.

The tremendous electric charges in the atmosphere which produce sheet lightning in the clouds are produced by the process of : (a) friction (b) induction (c) conduction (d) convection

When two tuning forks A and B are sounded together, 4 beats per second are heard. The frequency of the fork B is 384 Hz. When one of the prongs of the fork A is filed and sounded with B, the beat frequency increases, then the frequency of the fork A is

Why do we mix Chromium with other metals?

37.Explain dipole induced dipole Forces.

Are we really in contact of object while performing contact forces?

Which of the following is/are fundamental unit?

At the interface of two transparent media, at the point of incidence, the incident ray, the refracted ray and the normal all lie in _____.

(a) Define density. What is the SI unit of density?(b) Define relative density. What s the SI unit of relative density?

What is the latent heat of vapourisation and latent heat of fusion?

What is the circular opening in the middle of iris known as?

Compare the sounds made by a Cuckoo and roar of a Tiger. Which among these two have higher pitch and what quantity determines the pitch.Also give the unit of the quantity. [3 MARKS]

74.1g of ice and 1g vapour are mixed together. Assuming no heat loss, what is the final temperature of the system

explain the non conservative force with an example ?

Identify the scenario in which friction does not act between the blocks.

A body is moving with uniform retardation covers 1.5 km before its speed reduced to half of its initial value. it comes to rest in ano

37.A wave of frequency 500 HZ has a phase velocity of 300m/s. How far apart are two point 45^° out of phase? and What is the phase difference between two displacement at a certain point at times 2÷1000 s apart?

Light of different colors propagates through vaccum with

How exactly does lateral inversion happen

What is dynamics and kindematics?

Identify the incorrect option from the following.

Air horn is allowed on high ways but banned within cities. Why?

A meteor starts burning when it enters Earth's atmosphere. Which of the following correctly explains this?

Which of these is not a property of an image formed by a place nirror?(a) It is of the same shape as the object.(b) It does not show any details in the object.(c) it is of the same colour as the object.(d) It is of the same size as the object.

A light rod (of length D) with two points charges qand -q, both of mass m are attached at its end isplaced in a region of uniform electric field withintensity E as shown in figure. The angularacceleration of the rod at the instant shown is6qE cosümi6qEsniml가2qE sinaml2qE cosi(3) ml(4厂

Which of the following are harmful effects caused due to noise pollution?A. InsomniaB. HypertensionC. Hearing impairment

A stone is dropped from the top of a tower and travels 24.5 m in the last second of its journey. The height of the tower is

The sound which is below the frequency of 20 Hz is called ___

If the distance between the sun and the earth is increased three times then the attraction between the two will--(1)remains constant. (2)decrease 63%. (3)decrease by 83%. (4)decrease by 89%

Two plane mirrors are placed parallel to each other as shown in the figure There is anplaced between the mirrors, at 10 cm from mirror M2 What are the distances of firstformed by M, from A#3two imagesM,10 c20cm(2) 10 cm, 10 cm(4) 10 cm. 20 cm(1) 5 cm, 30 cm(3) 10 cm, 30 cm

a thij mettalic strip is introduced between plate of parapllel plate capacitor touching plate f how capaci†an ce change

If the atomic number of carbon is (Z = 6), what is the number of the electrons revolving in its atom?

I have a resistor marked with colours Red, Blue, Yellow and Gold from left to right. What is its resistance?

an ideal induc†an ce coil is connected to a parallel plate capacitor . electrical oscillation with energy W are set up in this circuit . the capacitor plates are slowly drawn apart till the frequency of oscillations is doubled . the work done i this process will be.

Which is the largest planet of our solar system?

63.COCL2 is heated to 724 Kelvin at 1 ATM. The density of gas mixture at equilibrium was found to be 1.162g/l.calculate a)the degree of dissociation b)Kp of the reaction

The pressure which produces a thrust on the object is the reason some objects___.

In an irregularly shaped conductor, where will be the point of maximum charge?

Q 42/45 A car is moving with speed 20 m/s in east direction and ascooterist is moving with same speed in same direction. The car blow ahorn of frequency 150 Hz. The frequency of horn heard by the scooteristis (Take speed of sound 340 m/s)