Question # 1

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

Which pair of physical quantities has same SI unit?

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energy , power

power , work

energy , work

work , momentum

From following, which one is a renewable source of energy?

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Coal

Gas

Sunlight

Petrolum

Stretched how has type of energy:

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K.E

mgh

P.E

Elastic P.E

Mass-Energy equation was given by:

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Newton

Einstein

Joule

Pascal

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

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Kinetic energy

Potential energy

Elastic potential energy

Geothermal energy

The source of energy that can be renewed are called:

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Renewable source

Non-renewable

They RAE Naturally found

None

The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

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5 ms^-1

12.5 ms^-1

25 ms^-1

50 ms^-1

The work done will be zero when the angle between the force and the distance is:

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45^o

90^o

60^o

180^o

Solar energy is a type of.

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Renewable

Non-renewable

Natural

None

1 MJ=

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10³ J

10⁶J

10⁷J

10^-3J

Formula of work is:

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F X S

F X V

F/S

S/F

If f = 40 N is applied and bus is move 1m than work is :

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40 J

60 J

80 J

No work

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