ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

Top Scorers Of ECAT Pre General Science Physics Chapter 4 Work and Energy MCQ`s Test

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Naveed 01 - Aug - 2018 06 Min 16 Sec 85/120
A

Alvina Mehak 06 - Jun - 2024 23 Min 59 Sec 85/120
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Eman Ishtiaq 06 - Jun - 2024 06 Min 08 Sec 80/120
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Waleed Ahmed 23 - Feb - 2023 13 Min 52 Sec 70/120
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Pir Dedar shah 17 - Apr - 2018 09 Min 00 Sec 30/120
A

Anwar Ahmad 04 - Jun - 2024 05 Min 28 Sec 10/120
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Unaiza Zafar 14 - Jul - 2023 09 Min 07 Sec 10/120
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Unknown 04 - Jun - 2024 01 Min 28 Sec 0/120
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hamza abid 26 - May - 2022 10 Min 50 Sec 0/120

ECAT Physics Chapter 4 Important MCQ's

Sr.#	Question	Answer
1	The field in which work done is moving body between two points depends upon the path followed is called:	A. Conservative filed B. Non-conservative field C. Electric field D. None of these
2	The consumption of energy by a 60 W bulb in 2 minutes is:	A. 2 watt-hour B. 120 watt-hour C. 30 watt-hour D. None of these
3	The energy stored int he water of the dam is:	A. Electric energy B. Kinetic energy C. Potential energy D. None of these
4	The tidal energy is due to gravitational pull of :	A. sun B. moon C. Mars D. None of these
5	The total work done in moving the body up and then down through the same height in a gravitational field is equal to:	A. mgh B. Its wight C. Weight X height D. Zero
6	Which of the following type of force can do no work on the particle on which it acts:	A. Frictional force B. Gravitational force C. Electric force D. Centripetal force
7	The field in which work done in moving a body between two points depends upon the path followed is called:	A. Conservative field B. Non-conservative field C. Electric field D. None of these
8	The dimensions of work	A. [MLT^-1] B. [MLT^-2] C. [ML²T^-2] D. [MLT]
9	The work done by a force keeping an object in circular motion with constant speed is:	A. Zero J. B. 0.1 J C. 1 J D. 0.01 J
10	Work done along a closed path in a gravitational field is:	A. Maximum B. Minimum C. Zero D. Unity

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ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 4 Work and Energy

ECAT Pre General Science Physics Chapter 4 Work and Energy

Which of the following type of force can do no work on the particle on which it acts:

Work done by the force of friction is always

Which force is not a conservative force:

If force and displacement are in opposite direction, the work done is taken as

A body moves a distance of 10 m among a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which the force makes with the direction of motion of a body is:

Teh consumption of energy by a 1000 watt heater in half an hour is:

Power is a :

Maximum work is done when force and displacement are

The unit of work in CGS system is

The tidal energy is due to gravitational pull of :

The space around the earth within it exerts a force of attraction on other bodies of known as:

A field in which the work done in moving a body along closed path is zero is called

A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. the angle which the force makes with the direction of motion will be:

In the force applied is parallel to the direction of motion, then work done is:

Work is a scalar product of

The work performed on an object does not depend on:

The angle between centripetal force and displacement of the body moving in a circle is:

Tick the conservation force:

Work has a dimension as that of:

A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, Which makes an angle of 60° with the horizontal. The work done by the boy is:

Work is a always done on a body when

When the body is moves against the force of friction on a horizontal plane, the work done by the body is:

Work done is independent of path followed in _______

Work done on a body by gravity in lifting it up to certain height is

A 2 kg block is held 1 m above floor for 50 seconds. The work done is:

The work done on the body will be zero if:

The dimensions of work

If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:

If one newton force acts on a body and displaces the body through 1m work done on body is

A solar cell converts energy of the Sun into:

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ECAT Physics Chapter 4 Important MCQ's

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