Question # 1

The energy stored in coal is

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Heat energy

Kinetic energy

Chemical energy

Nuclear energy

Which one of the following converts light energy into electrical energy?

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Electric Bulb

Electric generator

Photocell

Electric cell

The product of force and distance is :

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Force

Work

Torque

Nil

What will be the magnitude of work if a force of 25N pulls a stone through a distance of 5 m in its directions

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25 J

50 J

75 J

125 J

The tendency of doing work is called :

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Time

Energy

Force

Area

Solar energy is a type of.

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Renewable

Non-renewable

Natural

None

Einstein mass energy equation is:

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E= mc²

E= m²c

E = 1/2 mc²

2 mc²

The S.I unit of work is :

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J

N

Kg

m

When a body is lifted through height h, the work done on it appears in the form of its

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Kinetic energy

Potential eneger

Elastic potential energy

Geothermal energy

Stretched how has type of energy:

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K.E

mgh

P.E

Elastic P.E

In a dam the water energy is called:

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Heat energy

Electrical energy

G.P.E

Mechanical enrgy

The rate of doing work is called :

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Power

Work

Efficiency

None of above

What type of conversion is done candle burning?

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Chemical __ ;light

Chemical __ heat

Both a & b

None of above

If the velocity of the body becomes double then its kinetic energy will:

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Remain the same

Become double

Become four times

Become half

The energy of a body during the motion is called:

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Potential energy

Kinetic energy

Elastic P.E.

Heat energy

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9th Class Physics Chapter 6 Work and Energy English Medium KPK Boards Online Mcqs MCQs With Answers

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