Question # 1

Minor but rapid change in atmospheric pressure cause:

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Poor condition

Intense condition

Windy condition

Pleasant condition

Anything kept in thermos :

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In temperature remain constant

Its temperature decrease

Its temperature increase

None of these

Perpendicular / hypotenuse is equal to:

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Cosθ

Tanθ

Cosecθ

Sinθ

Co-efficient of friction between glass and glass.

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1.0

0.9

1

0.8

The density of a substance can be found with the help of:

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Pascal's law

Hook's law

Archimedes principle

Principle of floatation

According to Archimedes principle upthrust is equal to

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weight of displaced liquid

volume of displaced liquid

mass of displaced liquid

are of displaced liquid

Law of motion was presented by the scientist.

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Einstein

Newton

Galileo

Archimedes

The approximate weight of 80 gram mass on the surface of Earth is

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800 N

80 N

0.8 N

8 N

The unit of co-efficient of linear expansion :

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K

K^-1

Jkg^-1 K^-1

None of these

SI unit of pressure is pascal, which is equal to

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104 Nm-2

1 Nm-2

102 Nm-2

103 Nm-2

Which of the substance is the lightest one?

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Copper

Mercury

Aluminim

Lead

____________ is bad conductors of heat:

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Copper

Water

Wire

Nil

Both metals and non-metals transfer:

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Electricity

Heat

Both A and B

None of these

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