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
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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	A solar cell converts energy of the Sun into:	A. Heat energy B. Magnetic energy C. Light energy D. Sound energy
2	A two Kg block is held 1 m above the floor for 50 seconds, the work done is:	A. Zero B. 10.2 J C. 100 J D. 980 J
3	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
4	Work done on a body by gravity in lifting it up to certain height is	A. Maximum B. Minimum C. Zero D. Negative
5	Which one is conservative force	A. Electric force B. Frictional force C. Normal force D. Air resistance
6	The value of escape velocity of Earth planet comes out to be:	A. 11 m/sec B. 11 km/sec C. 11 km/hour D. 11 cm/sec
7	Which force is not a conservative force?	A. Frictional force B. Gravitational force C. Electric force D. Elastic spring force
8	1 J = ________?	A. 10⁷erges B. 10^-7erges C. 10⁵erges D. 10^-5erges
9	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
10	The dimensions of work	A. [MLT^-1] B. [MLT^-2] C. [ML²T^-2] D. [MLT]

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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

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 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:

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

Work is a

Work done is maximum when angle between force and displacement is

Which one is conservative force

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

The tidal energy is due to gravitational pull of :

The space around the earth in which its gravitational force acts on a body 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 in 25J. The angle which the force makes with the direction of motion will be

The work done on the body will be zero if:

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

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:

When force and displacement are perpendicular to each other than work is equal to

Escape velocity from surface of Moon as compared to that from Earth surface is:

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

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

The work done by a force, keeping an object in circular motion with constant speed is:

1 J = ________?

Work is always done on a body when:

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

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:

The unit of work in CGS system is

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

The ultimate source of money sources of energy is:

Work done is maximum when angle between force and displacement is:

SI Unit of work is

Work done along a closed path in a gravitational field is:

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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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