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
E

Eman Ishtiaq 06 - Jun - 2024 06 Min 08 Sec 80/120
W

Waleed Ahmed 23 - Feb - 2023 13 Min 52 Sec 70/120
P

Pir Dedar shah 17 - Apr - 2018 09 Min 00 Sec 30/120
A

Anwar Ahmad 04 - Jun - 2024 05 Min 28 Sec 10/120
U

Unaiza Zafar 14 - Jul - 2023 09 Min 07 Sec 10/120
U

Unknown 04 - Jun - 2024 01 Min 28 Sec 0/120
H

hamza abid 26 - May - 2022 10 Min 50 Sec 0/120

ECAT Physics Chapter 4 Important MCQ's

Sr.#	Question	Answer
1	Watt x second is unit of:	A. Force B. Work C. Power D. None of these
2	The power of an electric generating station is expressed in:	A. Kilo Jule B. Kilowatt-hour C. Kilo watt D. Watt
3	The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is	A. Much more B. Very small C. No amount at all 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. 2 J B. 0.25 J C. 1 J D. 0.5 J
5	Maximum work is done when force and displacement are	A. Parallel B. Antiparallel C. Perpendicular D. Both a and b
6	If work is done at the rate of 2 k j per second, then total work done is half an hour will be:	A. 0.5 Kwn B. 2 Kwh C. 1 Kwh D. None of these
7	Work has the dimension as that of:	A. Torque B. Angular momentum C. Linear momentum D. Power
8	When a falling body hits ground, its KE changes to _____ energy.	A. Potential B. Chemical C. Mechanical D. sound and heat
9	The commercial unit of electrical energy is :	A. K Watt B. KWH C. Horse power D. Joule
10	When two protons are brought are brought closer potential energy of both of them:	A. Increases B. Decreases C. Remains same D. None of these

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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

Work done is independent of path followed in _______

The ultimate source of money sources of energy is:

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:

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

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

When a falling body hits ground, its KE changes to _____ energy.

Work done in lower and bucket into the well is:

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

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:

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

1 J = ________?

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

The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is

The tidal energy is produced due to rotation of Earth relative to:

A solar cell is made from:

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

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:

Maximum work is done when force and displacement are

Work has a dimension as that of:

The work done on the body will be zero if:

Work done is maximum when angle between force and displacement is

Work done is lowering the bucket into the well is:

A two Kg block is held 1 m above the floor for 50 seconds, the work done is:

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

When velocity of moving body is doubled, the quantity which is also doubled is its:

Area under the force displacement graph gives

The space around the earth in which its gravitational force acts on a body is called

A solar cell converts energy of the Sun into:

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

Work has the dimension as that of:

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

ECAT Physics Chapter 4 Important MCQ's

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