Question # 1

Which types of friction of maximum

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Sliding

Rolling

Both a and b

None

Coloured surface is a

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Best emitter

Good emitter

Bad emitter

Wrost emitter

If the weight body is greater then tension then body will.

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Move upward

move downward

not move

None

Unit of thermal conductivity is .

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Wmk

W m^-1 K^-1

Wm

None of these

The product of mass and _______ is called momentum;

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Velocity

Force

Acceleration

None

The range of clinical thermometer is:

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90 ^oC - 106^oC

35^oC - 42^oC

100^oC - 132^oC

24^oC - 35^oC

Which one of the following units is not a derived unit?

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Pascal

Kilogram

Newton

Watt

Amount of heat that flows in unit time is called:

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Rate of flow of heat

Q/t

Conductivity

Both A and B

Gallium (element) melts at:

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40 °C

30 °C

80 °C

90 °C

Gravitational constant depends on:

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Medium

Force

Weight

It does not depend son anything

The SI unit of thermal conductivity is

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Wm K-1

Wm-1K

Wm-1K -1

WmK

Hydraulic press is a machine which works on

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Hook's law

Archimedes principle

Pascal's law

Boyle's law

That force which produces an acceleration of one metre per second per second in a body of one kilogram mass is called

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1 joule

1 newton

1 watt

1 ampere

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