Question # 1

Thermostat is a controlling switch:

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Heat

Temperature

Sound

Light

Leslie's cube is a bod of

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Metal

None Metal

wood

Metalloids

A gradual large increase in atmospheric pressure shows:

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Pleasant condition

Rainy condition

Intense condition

Winday condition

In falling object potential energy is covered to:

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K.E

Force

P.E

Nil

The device used to stop conduction, convention and radiation:

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Thermometer

Thermo flask

Both

Nil

Value of g increases with the:

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Increase in mass of the body

Increases in altitude

decrease the altitude

None of the above

Which machine is used to find acceleration due to gravity?

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Centrifuge

Atwood machine

Hydraulic machine

Washing machine

Clockwise torque is taken:

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Positive

Negative

Neutral

Nil

If a body is at a depth of 'h'form the liquid surface of density 'p' , then

the liquid pressure p[' in that body is:

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P = mgh

P = pgh

P = 2mgh

P = mag

Fossils fuels are usually compound of:

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Carbon

Hydrogen

Carbon & Hydrogen

None of these

If heat Q flows in time 't' through some metal then rate of flow of heat is defined as

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Flow of heat = 2Qt

Flow of heat = Q/t

Flow of heat = t/Q

Flow of heat = Qt

Those objects which do not conduct electricity are called.

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Insulator

Semi conductor

Nil

Conduct

On Celsius scale, temperature 300 K will be:

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26°C

25°C

24°C

27°C

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