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	Work is a scalar product of	A. Force, Velocity B. Velocity, Displacement C. Force, Displacement D. Force, Momentum
2	Tick the conservation force:	A. Tension in a string B. Air resistance force C. Elastic spring D. Frictional force
3	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
4	Most of the geysers occur in:	A. Volcanic regions B. Magnetic regions C. Northern region D. None of these
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 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
7	Work is always done on a body when:	A. A force acts on it B. It moves through certain distance C. None of A and B is correct D. Both A and B is correct
8	When velocity of moving body is doubled, the quantity which is also doubled is its:	A. K.E. B. Acceleration C. Momentum D. P.E.
9	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:	A. 0° B. 30° C. 60° D. 90°
10	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

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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 has a dimension as that of:

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

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

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

Work done is independent of path followed in _______

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

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

The unit of work in CGS system is

1 J = ________?

Work is always done on a body when:

Work is a:

The power of an electric generating station is expressed in:

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

The work performed on an object does not depend on

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

Work is always done on a body when:

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

The types of mechanical energy is/are:

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

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

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

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

A solar cell is made from:

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:

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

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 done along a closed path in a gravitational field is:

SI Unit of work 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:

Work done by the force of friction is always

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ECAT Physics Chapter 4 Important MCQ's

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