Question # 1

The unit of stress is:

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Newton

Pascal

Nm^-2

m³

The vacuum in barometer is called:

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Deep vacuum

Mercury vacuum

Torricellian vacuum

None of above

Which of the substance is lightest one?

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Copper

Aluminium

Mercury

Lead

Which following works on Pascal's law?

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Screw gauge

Vernier callipers

Hydraulic press

Wedge

Decrease in atmospheric pressure predicts:

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Rainy condition

Intense condition

Windy Condition

Pleasant condition

Density is quantity:

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Scalar

Vector

Constant

None of these

S.I unit of young's modulus is:

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Nm

Nm^-1

Nm^-2

Nm^-3

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

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Solid

Liquid

Gas

Plasma

According to Archimedes principle the density of a substance is determined by using formula

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D = w1/w2 + w1 x p

D = w1w2/w2- w1 x p

D = w1/w2 - w1 x p

D = w1w2/w2- w1 x p

The density of water is:

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5500 kgm^-3

10000 kgm^-3

1000 kgm^-3

330 kgm^-3

An increasing with decline in atmospheric pressure cause:

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Rainy condition

Pleasent condition

Windy condition

Intense condition

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

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

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