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 power of an electric generating station is expressed in:	A. Kilo Jule B. Kilowatt-hour C. Kilo watt D. Watt
2	Area under the force displacement graph gives	A. Power B. Work C. Heat D. Energy
3	Work done is maximum when angle between force and displacement is:	A. 0° B. 90° C. 180° D. None of these
4	When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is	A. 0.5 J B. 2 J C. 0.25 J D. 1 J
5	A 100 Kg car is moving at the speed of 10 m/sec and comes to rest after covering a distance of 50 m. The amount of work done against the friction is:	A. +5 X 10¹J B. +5 X 10²J C. +5 X 10³J D. +5 X 10⁴J
6	The space around the earth in which its gravitational force acts on a body is called	A. Electric Field B. Gravitational field C. Magnetic field D. Conservative field
7	The commercial unit of electrical energy is :	A. K Watt B. KWH C. Horse power D. Joule
8	Watt x second is unit of:	A. Force B. Work C. Power D. None of these
9	Work done along a closed path in a gravitational field is:	A. Maximum B. Minimum C. Zero D. Unity
10	Work is always done on a body when:	A. A force acts on it B. It moves through certain distance C. None of A or B is correct D. Both A and B is correct

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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

SI Unit of work is

A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:

The dimensions of work

The work done in moving a body between two points in a conservative field is independent of the

A solar cell converts energy of the Sun into:

When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:

The consumption of energy by a 60 W bulb in 2 minutes is:

Work is a:

Work done is lowering the bucket into the well is:

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

Which one is conservative force

If work is done at the rate of 2 k j per second, then total work done is half an hour will be:

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

The types of mechanical energy is/are:

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:

Work-energy principle states that work done on the body by applied force is equal to change in:

Work is a scalar product of

Which force is not a conservative force?

The value of escape velocity of Earth planet comes out to be:

The work performed on an object does not depend on:

Power is a :

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

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 the direction of motion will be:

A labourer carrying a distance a load on his head moves from rest on a horizontal road to another point where he comes to rest. He has done:`

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

Work is a always done on a body when

Work is a

Work done by the force of friction is always

Maximum work is done when force and displacement are

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

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ECAT Physics Chapter 4 Important MCQ's

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