Question # 1

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

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

Unit of pressure is :

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N/ m

Pa

N

m/N2

Hydraulic press is a machine which works on:

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Hook's law

Pascal's law

Boyle's law

Archimedes principle

Which following works on Pascal's law?

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Screw gauge

Vernier callipers

Hydraulic press

Wedge

Barometer was first set up by:

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Robert

Torricelli

Al Razi

Nil

Minor but rapid change in atmospheric pressure cause:

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Poor condition

Intense condition

Windy condition

Pleasant condition

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

The pressure of liquid is given by

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pg V

pg A

pgh

pg

Plasma is .......... state of matter .

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Molecular

Fourth

Smallest

Nil

As we go up the value of atmospheric pressure is

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Decreased

Increased

Remain constnat

None of these

Tensile strain produces the change in the object.

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Length

Volume

Area

Density

Highly conducting state of matter is:

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Solid

Liquid

Gas

Plasma

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