Question # 1

O maximum height the P.E of the body is:

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Zero

Maximum

Minimum

None of these

The large unit of work is:

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Kilowatt

Kilo joul

Mega joul

Both B and C

The unit of kinetic energy is:

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J

N

Km

Pa

Einstein's mass-energy equation relation is:

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E =1/2 mc²

E =mc²

E =m²c

E = 2 mc²

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

Kilowatt - hour is unit of _____________

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Power

Energy

Work

K.e

The ability of body to do work is called:

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Power

Energy

Work

Efficiency

The energy of a body during the motion is called:

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Potential energy

Kinetic energy

Elastic P.E.

Heat energy

The product of force and displacement is called;

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Work

Efficiency

Power

Energy

SI unit of work is:

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Joule

Coulomb

Ampere

Kelvin

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

1 mega watt is equal to:

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10² W

10³ W

10⁵ W

10⁶W

Solar cell is are also known as:

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Electric cell

Photo Cell

Sun cells

Nuclear cells

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Physics 9th Class English Medium Unit 6 Online Test MCQs With Answers

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