Question # 1

Bimetal strip is made up of two different metal:

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Copper & iron

Brass & Iron

Brass & Nickel

Copper & Nickel

The amount of matter in a body is called:

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Velocity

Momentum

Mass

Force

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

Which surface is bad emitter:

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White surface

Black surface

Coloured surface

Silver surface

A body OF mass 10 kg taken to height of 5m:

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P.E = 500 J

P.E = 50 J

P.E = 5 J

P.E = 5000 J

All divers need to wear seat belt because of effect of:

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Inertia

Gravity

Car force

Nil

The acceleration of a body moving the uniform velocity is.

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Uniform

Zero

Negative

Variable

SI unit of temperature is.

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Fahrenheit

Centigrade

Kelvin

All of these

1 Pa is equal to

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NM

NM-1

JS

NM-2

The temperature of sun surface is:

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5000°C

4000°C

6000°C

7000°C

The quantity that depends upon the force and increases with decrease in the area on which force is acting is called

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Momentum

Pressure

Mass

Velocity

The value of gravitational acceleration when a body is moving in downward direction is.

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10 ms^-1

10 ms^-2

10 m

-10 ms

The earth temperature is :

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300 K

200 k

100 K

50 K

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