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
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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	When a falling body hits ground, its KE changes to _____ energy.	A. Potential B. Chemical C. Mechanical D. sound and heat
2	Work-energy principle states that work done on the body by applied force is equal to change in:	A. Potential energy B. Kinetic nergy C. Linear momentum D. None of these
3	The ultimate source of money sources of energy is:	A. Sun B. Air C. Water D. Petroleum
4	Work is a 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 are correct
5	Teh consumption of energy by a 1000 watt heater in half an hour is:	A. 5 Kwh B. 0.5 Kwh C. 2.5 Kwh D. 3.2 Kwh
6	The dimensions of work	A. [MLT^-1] B. [MLT^-2] C. [ML²T^-2] D. [MLT]
7	The power of an electric generating station is expressed in:	A. Kilo Jule B. Kilowatt-hour C. Kilo watt D. Watt
8	Work is product of:	A. Force and velocity B. Heat and energy C. Force and displacement D. None of these
9	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
10	Area under the force displacement graph gives	A. Power B. Work C. Heat D. Energy

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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 is always done on a body when:

Work has the dimension as that of:

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

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

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

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 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:

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

Which one is conservative force

Work done is lowering the bucket into the well is:

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

Work is always done on a body when:

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

SI Unit of work 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 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 is a always done on a body when

Work has a dimension as that of:

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

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

Work done by the force of friction is always

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

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

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

Work is a scalar product of

Work done is independent of path followed in _______

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

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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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