Question # 1

The energy stored in dam is:

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Potential energy

Kinetic energy

Chemical enegy

Nuclear energy

Centripetal force always acts _________ to the motion:

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Opposite

Parallel

Perpendicular

Upward

_____________ easily undo bolt?

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Long spanner

Medium

Short spanner

Every spanner

According to SI-Units , internsity of light is measured in.

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meters

second

moles

candela

Larger is the area greater will be:

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Radiation

Transfer of heat

Evaporation

Conduction of heat

Cream separater works on:

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Centrifuge principle

Centripetal force

Both

None

Earth revolves around the:

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Moon

Sun

Glaxy

None

If radius of circle is doubled then centripetal acceleration becomes:

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Doubled

Three times

Four times

Half times

The formula of momentum is:

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P=Fa

P=mv

F=ma

F=mg

Fossils fuels are usually compound of:

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Carbon

Hydrogen

Carbon & Hydrogen

None of these

Wood, cork,cotton, wool , rubber are the examples of:

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Conductor

Thermal conductor

Insulator

Both a & b

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

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Zero

Maximum

Minimum

None of these

Thermal conductivities of Lead

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23

30

35

85

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