Question # 1

Mass per unit volume is:

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Velocity

Work

Density

None

S.I unit of pressure is Pascal which is equal to?

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10 Nm^-2

1 Nm^-2

10² Nm^-2

10³ Nm^-2

Unit of strain is:

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Nm^-2

Nm

N

No unit

Most of the matter that fills the universe is in state:

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Solid

Plasma

Liquid

Gas

At sea level, the height of mercury column in mercury barometer is approximately:

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72 cm

74 cm

76 cm

78 cm

Which of the substance is heaviest?

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Copper

Mercury

Aluminum

Lead

Archimedes is a scientist:

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Greek

Italian

French

English

As we go up the value of atmospheric pressure is

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Decreased

Increased

Remain constnat

None of these

In which of the following state molecules do not leave their position?

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Solid

Liquid

Gas

Plasma

According to Archimedes, upthrust is equal to

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Weight of displaced liquid

Volume of displaced liquid

Mass of displaced liquid

None of these

The type of hydrometer which is used to measure the concentration of acid in a battery is called:

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Chemical meter

Acid meter

Barometer

pH meter

Which of the substance is the lightest one?

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Copper

Mercury

Aluminim

Lead

According to hook's law stress is directly proportional to :

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Area

Volume

Strain

Force

Ship and boats are designed on the principal of

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Charge

Densities

Volume

Floatation

A minor but sudden fall in atmospheric pressure is followed by

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a storm and a rain

an intense weather

a pleasant weather

a poor weather

Fourth state of matter is:

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Solid

Plasma

Liquid

Gas

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