Question # 1

Heat reflected form the body depends upon :

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Colour and form

Form and speed

Color and speed

None

Those objects that conduct electricity are:

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Conductors

Insulators

Semi conductOrs

None of these

The unit of Heat is:

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Kelvin

Joule

Jkg^-1 K^-1

kg

Latent heat of vaporization is denoted by:

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H1

Hm

Hv

Hf

Which one of the following converts light energy into electrical energy?

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Electric bulb

Electric generator

Photo cell

Electric cell

A measuring cylinder is used to measure.

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Mass

Area

Volume

Level of liquid

The value of g on moon's surface is 1.6 ms-2. What will be the weight of a 100 kg body on the surface of the moon?

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100 N

160 N

1000 N

1600 N

The earth attracts us due to its __________ mass:

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Little

Zero

Small

Large

The unit of gravitational constnat is:

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Nm² kg

Nm²kg^-2

Nm²kg^-1

N - m²

The Atwood machine can be used to find the acceleration due to gravity using the equation

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g = 2 (m1 x m2)/(m1 + m2) a

g = (m1 - m2)/(m1 + m2) a

g = (m1 + m2)/(m1 - m2) a

The average speed of cheetah is.

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60 kmh^-1

70 kmh^-1

75 kmh^-1

80 kmh^-1

Which property can be determine by ARchimedes principle:

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Vapour pressure

Density

Compressibility

Elasticity

Leslie's cube is filled with

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Cold water

Hot water

Mercury

Air

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