3752 + Interview Questions in Physics Page 21 InterviewSolution

1001.	There are cups in 6 quarts.
Answer» $There are$ $cups in 6 quarts.$

Discussion

1002.	If the angular speed of the wheel of the bicycle is 300 rad/s and radius of wheel is 0.2m, then linear speed of the wheel of the bicycle is
Answer» If the angular speed of the wheel of the bicycle is 300 rad/s and radius of wheel is 0.2 m, then linear speed of the wheel of the bicycle is

Discussion

1003.	what is newton
Answer» what is newton

Discussion

1004.	Which of these is formed by light reflected by an object−image or shadow?
Answer» Which of these is formed by light reflected by an object−image or shadow?

Discussion

1005.	Who was the scientists who invented bulbs
Answer» Who was the scientists who invented bulbs

Discussion

1006.	A short bar magnet in a horizontal palne has its axis aligned along the magnetic N-S direction. Null points are found on the axis of magnet at r distance from the centre of magnet. If the bar magnet is turned by 180^° where will the new null points be located?(from centre)
Answer» A short bar magnet in a horizontal palne has its axis aligned along the magnetic N-S direction. Null points are found on the axis of magnet at r distance from the centre of magnet. If the bar magnet is turned by 180^° where will the new null points be located?(from centre)

Discussion

1007.	What are the three possible end stages of stars?
Answer» What are the three possible end stages of stars?

Discussion

1008.	Aparticle of mass m is thrown at an angle θ with the horizontal Find torque of gravitational force about the point of projection(i) when the particle is at maximum height (ii) beore striking the ground
Answer» Aparticle of mass m is thrown at an angle θ with the horizontal Find torque of gravitational force about the point of projection(i) when the particle is at maximum height (ii) beore striking the ground

Discussion

1009.	Under the influence of which set of forces among the options below can a body not be in equilibrium?
Answer» Under the influence of which set of forces among the options below can a body not be in equilibrium?

Discussion

1010.	The skill of estimation is important for(a) a scientist when performing an experiment in the laboratory.(b) a doctor when measuring our body temperature using a thermometer.(c) all of us in our daily life.(d) those of us who do not know how to measure accurately.
Answer» The skill of estimation is important for (a) a scientist when performing an experiment in the laboratory. (b) a doctor when measuring our body temperature using a thermometer. (c) all of us in our daily life. (d) those of us who do not know how to measure accurately.

Discussion

1011.	How can the height of a person who is six feet tall be expressed (approximately) in nanometer?\N
Answer» How can the height of a person who is six feet tall be expressed (approximately) in nanometer? \N

Discussion

1012.	Which of the following cannot be used as a standard of measurement?
Answer» Which of the following cannot be used as a standard of measurement?

Discussion

1013.	{ A girl of mass }35kg balances herself on a }}{ cylindrical stick of mass }3.5kg and diameter }}{7cm . The pressure exerted by the girl on ground }}{ will be (Take }g=10ms^{-2})
Answer» { A girl of mass }35kg balances herself on a }}{ cylindrical stick of mass }3.5kg and diameter }}{7cm . The pressure exerted by the girl on ground }}{ will be (Take }g=10ms^{-2})

Discussion

1014.	9.Is atom divisible? If yes then explain
Answer» 9.Is atom divisible? If yes then explain

Discussion

1015.	Is light opaquue or not
Answer» Is light opaquue or not

Discussion

1016.	21.There are two cars A and B moving toward each other from rest with acc. 3ms and 2ms initially they were 500m away from each other what will be the distance covers by car A when they both pass each other
Answer» 21.There are two cars A and B moving toward each other from rest with acc. 3ms and 2ms initially they were 500m away from each other what will be the distance covers by car A when they both pass each other

Discussion

1017.	What will happen to work if the angle between the force and the displacement is increased gradually? Will it increase, decrease, remain constant or first decrease then increase?
Answer» What will happen to work if the angle between the force and the displacement is increased gradually? Will it increase, decrease, remain constant or first decrease then increase?

Discussion

1018.	A box of mass 50 kg is kept on horizontal floor. When it is pushed by a horizontal force F, it moves with constant velocity. If it is pushed by a horizontal force 1.5F, it moves with constant acceleration of 0.1 m/s2. Find the value of F.
Answer» A box of mass $50 kg$ is kept on horizontal floor. When it is pushed by a horizontal force $F,$ it moves with constant velocity. If it is pushed by a horizontal force $1.5 F,$ it moves with constant acceleration of $0.1 {m/s}^{2}$ . Find the value of $F .$

Discussion

1019.	Where are the poles of a bar magnet located?
Answer» Where are the poles of a bar magnet located?

Discussion

1020.	Name the planets which have no Moon.
Answer» Name the planets which have no Moon.

Discussion

1021.	Why our mass becomes infinite when we travel at the speed of light
Answer» Why our mass becomes infinite when we travel at the speed of light

Discussion

1022.	What do know about matter?
Answer» What do know about matter?

Discussion

1023.	For which work energy of flowing water is used in ancient times
Answer» For which work energy of flowing water is used in ancient times

Discussion

1024.

Match the following- Column A Column B 1. An ox pulling a cart A.Magnetic force 2.Lifting heavy iron object with a crane B.Electrostatic force 3.Weighing with a spring balance C.Muscular force 4.Applying brakes to a bicycle D.Gravitational force 5.Picking up pieces of paper with a plastic scale E.Frictional force

Answer» Match the following-

Column A	Column B
1. An ox pulling a cart	A.Magnetic force
2.Lifting heavy iron object with a crane	B.Electrostatic force
3.Weighing with a spring balance	C.Muscular force
4.Applying brakes to a bicycle	D.Gravitational force
5.Picking up pieces of paper with a plastic scale	E.Frictional force

Discussion

1025.	Name two natural sources of light.
Answer» Name two natural sources of light.

Discussion

1026.	can precision be accurat
Answer» can precision be accurat

Discussion

1027.	Question 8Answer the following questions:A. Why is sliding friction less than static friction between the same surfaces?B. A book of mass 1 kg is kept at rest on a table. The maximum value of static friction is 200 N and sliding friction is 180 N.i. If we apply a force of 190 N, will the body move?ii. If we apply a force of 210 N, will the body move?
Answer» Question 8 Answer the following questions: A. Why is sliding friction less than static friction between the same surfaces? B. A book of mass 1 kg is kept at rest on a table. The maximum value of static friction is 200 N and sliding friction is 180 N. i. If we apply a force of 190 N, will the body move? ii. If we apply a force of 210 N, will the body move?

Discussion

1028.	the radius of a planet is R. A satellite revolves around it in a circle of radius r with angular velocity ω. The acceleration due to gravity on planet's surface is?
Answer» the radius of a planet is R. A satellite revolves around it in a circle of radius r with angular velocity ω. The acceleration due to gravity on planet's surface is?

Discussion

1029.	Which of the following will experience higher pressure if the same force is applied?
Answer» Which of the following will experience higher pressure if the same force is applied?

Discussion

1030.	Here are the shadows of some 3-D objects, when seen under the lamp of the overhead projector. Identify the solid (s) that match each shadow. (There may be multiple answers for these!)
Answer» Here are the shadows of some 3-D objects, when seen under the lamp of the overhead projector. Identify the solid (s) that match each shadow. (There may be multiple answers for these!)

Discussion

1031.	The work done on a body is 10 J. If the displacement is 10 m in the direction of the force, then the force applied is .
Answer» The work done on a body is $10 J$ . If the displacement is $10 m$ in the direction of the force, then the force applied is .

Discussion

1032.	Why restoring force is zero at mean position even if there is some potential energy possessed by the particle?
Answer» Why restoring force is zero at mean position even if there is some potential energy possessed by the particle?

Discussion

1033.	What is the difference between ferrimagnetic and paramagnetic substances?
Answer» What is the difference between ferrimagnetic and paramagnetic substances?

Discussion

1034.	The thickness of a dozen coins on a metre scale was found to be 1.8 cm. What is the thickness of one coin?
Answer» The thickness of a dozen coins on a metre scale was found to be $1.8 c m$ . What is the thickness of one coin?

Discussion

1035.	What can a force do to an object?
Answer» What can a force do to an object?

Discussion

1036.	Write the property of a magnet that helps to find the location of poles of a magnet.
Answer» Write the property of a magnet that helps to find the location of poles of a magnet.

Discussion

1037.	In the given figure at what position of the Moon will we see a New Moon from the Earth?
Answer» In the given figure at what position of the Moon will we see a New Moon from the Earth?

1037.

In the given figure at what position of the Moon will we see a New Moon from the Earth?

Answer»

In the given figure at what position of the Moon will we see a New Moon from the Earth?

Discussion

1038.	What is the less shaded outer region of a shadow called ___?
Answer» What is the less shaded outer region of a shadow called ___?

Discussion

1039.	Question 1Which of the following is NOT a member of the solar system?(a) An asteroid(b) A satellite(c) A constellation(d) A comet
Answer» Question 1 Which of the following is NOT a member of the solar system? (a) An asteroid (b) A satellite (c) A constellation (d) A comet

1039.

Question 1Which of the following is NOT a member of the solar system?(a) An asteroid(b) A satellite(c) A constellation(d) A comet

Answer»

Question 1

Which of the following is NOT a member of the solar system?

(a) An asteroid

(b) A satellite

(c) A constellation

(d) A comet

Discussion

1040.	Can a pinhole camera form an image which is biger than the object? If yes, explain with a diagram.
Answer» Can a pinhole camera form an image which is biger than the object? If yes, explain with a diagram.

Discussion

1041.	Give an example of an object that has more than one kind of motion at the same time.
Answer» Give an example of an object that has more than one kind of motion at the same time.

Discussion

1042.	पाठ को पढ़ते हुए आपका ध्यान कई तरह के विराम चिह्नों की ओर गया होगा। अगले पृष्ठ पर दिए गए अंश से विराम चिह्नों को हटा दिया गया है। ध्यानपूर्वक पढ़िए तथा उपयुक्त चिह्न लगाइए- मुझ पर भी एक रात आसमान से गड़गड़ाती बिजली आकर पड़ी थी अरे बाप रे वो बिजली थी या आफ़त याद आते ही अब भी दिल धक-धक करने लगता है और बिजली जहाँ गिरी थी वहा खड्डा कितना गहरा पड़ गया था खंभे महाराज अब जब कभी बारिश होती है तो मुझे उस रात की याद हो आती है, अंग थरथर काँपने लगते हैं।
Answer» पाठ को पढ़ते हुए आपका ध्यान कई तरह के विराम चिह्नों की ओर गया होगा। अगले पृष्ठ पर दिए गए अंश से विराम चिह्नों को हटा दिया गया है। ध्यानपूर्वक पढ़िए तथा उपयुक्त चिह्न लगाइए- मुझ पर भी एक रात आसमान से गड़गड़ाती बिजली आकर पड़ी थी अरे बाप रे वो बिजली थी या आफ़त याद आते ही अब भी दिल धक-धक करने लगता है और बिजली जहाँ गिरी थी वहा खड्डा कितना गहरा पड़ गया था खंभे महाराज अब जब कभी बारिश होती है तो मुझे उस रात की याद हो आती है, अंग थरथर काँपने लगते हैं।

1042.

पाठ को पढ़ते हुए आपका ध्यान कई तरह के विराम चिह्नों की ओर गया होगा। अगले पृष्ठ पर दिए गए अंश से विराम चिह्नों को हटा दिया गया है। ध्यानपूर्वक पढ़िए तथा उपयुक्त चिह्न लगाइए- मुझ पर भी एक रात आसमान से गड़गड़ाती बिजली आकर पड़ी थी अरे बाप रे वो बिजली थी या आफ़त याद आते ही अब भी दिल धक-धक करने लगता है और बिजली जहाँ गिरी थी वहा खड्डा कितना गहरा पड़ गया था खंभे महाराज अब जब कभी बारिश होती है तो मुझे उस रात की याद हो आती है, अंग थरथर काँपने लगते हैं।

Answer»

पाठ को पढ़ते हुए आपका ध्यान कई तरह के विराम चिह्नों की ओर गया होगा। अगले पृष्ठ पर दिए गए अंश से विराम चिह्नों को हटा दिया गया है। ध्यानपूर्वक पढ़िए तथा उपयुक्त चिह्न लगाइए-

मुझ पर भी एक रात आसमान से गड़गड़ाती बिजली आकर पड़ी थी अरे बाप रे वो बिजली थी या आफ़त याद आते ही अब भी दिल धक-धक करने लगता है और बिजली जहाँ गिरी थी वहा खड्डा कितना गहरा पड़ गया था खंभे महाराज अब जब कभी बारिश होती है तो मुझे उस रात की याद हो आती है, अंग थरथर काँपने लगते हैं।

Discussion

1043.	What will be the colour of a red ball when viewed through a pinhole camera?
Answer» What will be the colour of a red ball when viewed through a pinhole camera?

Discussion

1044.	A golf ball has a mass of 40g and a speed of 45m/s. If the speed can be measured with in accuracy of 20%calculate the certainty in the position
Answer» A golf ball has a mass of 40g and a speed of 45m/s. If the speed can be measured with in accuracy of 20%calculate the certainty in the position

Discussion

1045.	Is there any other type of matter except solid, liquid and gas?
Answer» Is there any other type of matter except solid, liquid and gas?

Discussion

1046.	The time period of oscillation of a simple pendulumof length 2 R on the surface of earth is about \lbrack whereR is radius of earth ? (2) 1.14 h(4) 14.4 h(3) 1.2 h
Answer» The time period of oscillation of a simple pendulumof length 2 R on the surface of earth is about \lbrack whereR is radius of earth ? (2) 1.14 h(4) 14.4 h(3) 1.2 h

Discussion

1047.	The materials through which light do not pass are said to be ___________.
Answer» The materials through which light do not pass are said to be ___________.

Discussion

1048.	A car travels a distance of 200 km from Delhi to Ambala towards North in 5 hours. Calculate speed of the car for this journey.
Answer» A car travels a distance of $200 k m$ from Delhi to Ambala towards North in $5 h o u r s$ . Calculate speed of the car for this journey.

Discussion

1049.	By derivation pulling an object is easier than pushing. But in many cases pushing an object is easier than pulling it. So, What are the conditions that pulling is easier pushing will be true?
Answer» By derivation pulling an object is easier than pushing. But in many cases pushing an object is easier than pulling it. So, What are the conditions that pulling is easier pushing will be true?

Discussion

1050.	Cramer rule
Answer» Cramer rule

Discussion

Explore topic-wise InterviewSolutions in .

There are cups in 6 quarts.

If the angular speed of the wheel of the bicycle is 300 rad/s and radius of wheel is 0.2m, then linear speed of the wheel of the bicycle is

what is newton

Which of these is formed by light reflected by an object−image or shadow?

Who was the scientists who invented bulbs

A short bar magnet in a horizontal palne has its axis aligned along the magnetic N-S direction. Null points are found on the axis of magnet at r distance from the centre of magnet. If the bar magnet is turned by 180^° where will the new null points be located?(from centre)

What are the three possible end stages of stars?

Aparticle of mass m is thrown at an angle θ with the horizontal Find torque of gravitational force about the point of projection(i) when the particle is at maximum height (ii) beore striking the ground

Under the influence of which set of forces among the options below can a body not be in equilibrium?

The skill of estimation is important for(a) a scientist when performing an experiment in the laboratory.(b) a doctor when measuring our body temperature using a thermometer.(c) all of us in our daily life.(d) those of us who do not know how to measure accurately.

How can the height of a person who is six feet tall be expressed (approximately) in nanometer?\N

Which of the following cannot be used as a standard of measurement?

{ A girl of mass }35kg balances herself on a }}{ cylindrical stick of mass }3.5kg and diameter }}{7cm . The pressure exerted by the girl on ground }}{ will be (Take }g=10ms^{-2})

9.Is atom divisible? If yes then explain

Is light opaquue or not

21.There are two cars A and B moving toward each other from rest with acc. 3ms and 2ms initially they were 500m away from each other what will be the distance covers by car A when they both pass each other

What will happen to work if the angle between the force and the displacement is increased gradually? Will it increase, decrease, remain constant or first decrease then increase?

A box of mass 50 kg is kept on horizontal floor. When it is pushed by a horizontal force F, it moves with constant velocity. If it is pushed by a horizontal force 1.5F, it moves with constant acceleration of 0.1 m/s2. Find the value of F.

Where are the poles of a bar magnet located?

Name the planets which have no Moon.

Why our mass becomes infinite when we travel at the speed of light

What do know about matter?

For which work energy of flowing water is used in ancient times

Name two natural sources of light.

can precision be accurat

the radius of a planet is R. A satellite revolves around it in a circle of radius r with angular velocity ω. The acceleration due to gravity on planet's surface is?

Which of the following will experience higher pressure if the same force is applied?

Here are the shadows of some 3-D objects, when seen under the lamp of the overhead projector. Identify the solid (s) that match each shadow. (There may be multiple answers for these!)

The work done on a body is 10 J. If the displacement is 10 m in the direction of the force, then the force applied is .

Why restoring force is zero at mean position even if there is some potential energy possessed by the particle?

What is the difference between ferrimagnetic and paramagnetic substances?

The thickness of a dozen coins on a metre scale was found to be 1.8 cm. What is the thickness of one coin?

What can a force do to an object?

Write the property of a magnet that helps to find the location of poles of a magnet.

In the given figure at what position of the Moon will we see a New Moon from the Earth?

What is the less shaded outer region of a shadow called ___?

Question 1Which of the following is NOT a member of the solar system?(a) An asteroid(b) A satellite(c) A constellation(d) A comet

Can a pinhole camera form an image which is biger than the object? If yes, explain with a diagram.

Give an example of an object that has more than one kind of motion at the same time.

What will be the colour of a red ball when viewed through a pinhole camera?

A golf ball has a mass of 40g and a speed of 45m/s. If the speed can be measured with in accuracy of 20%calculate the certainty in the position

Is there any other type of matter except solid, liquid and gas?

The time period of oscillation of a simple pendulumof length 2 R on the surface of earth is about \lbrack whereR is radius of earth ? (2) 1.14 h(4) 14.4 h(3) 1.2 h

The materials through which light do not pass are said to be ___________.

A car travels a distance of 200 km from Delhi to Ambala towards North in 5 hours. Calculate speed of the car for this journey.

By derivation pulling an object is easier than pushing. But in many cases pushing an object is easier than pulling it. So, What are the conditions that pulling is easier pushing will be true?

Cramer rule