Question # 1

Gallium (element) melts at:

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40 °C

30 °C

80 °C

90 °C

Which of the substance is lightest one?

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Copper

Aluminium

Mercury

Lead

What should be the approximate length of a glass tube to construct a water barometer?

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0.3 m

1 m

2.5 m

11 m

Science is that word which is derived by Latin word.

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Scient

Scientis

Scientia

Sciincet

The mass of Earth is

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6 x 1018 kg

6 x 1020 kg

6 x 1022 kg

6 x 1024 kg

The first man who gave the idea of gravity:

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Hero

Einstein

Newton

Faraday

A black dull surface is a good ________ of heat:

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Emitter

Absorber

Reflector

Both A and B

S.I unit of specific heat is:

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Jkg^-1 K^-1

J^-1kg^-1K^-1

JkgK

Jkg^-1K

The force which opposes the motion is called.

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Momentum

Friction

Inertia

Tension

Latent heat of fusion is denoted by:

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H1

Hm

Hv

Hf

Waking on earth is the example of

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1st law of motion

Second law of motion

Third law of motion

Law of Momentum

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

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Conductor

Thermal conductor

Insulator

Both a & b

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