Question # 1

As we go up the density of air in the atmosphere:

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Decreases

Increases

Remain constnat

None of these

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

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Pascal's law

Hooke's law

Archimedes principle

Principle of floatation

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

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Solid

Plasma

Liquid

Gas

Atmospheric pressure acts in:

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upward direction

Down ward direction

Opposite of force

All direction

The formula of pressur is:

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Fx a

A/F

F/A

None of these

S.I unit of young's modulus is:

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Nm

Nm^-1

Nm^-2

Nm^-3

Unit of density is:

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Kg/m3

kg/m2

kg/m

kg

According to Archimedes, up thrust is equal to :

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Weight of displaced liquid

Volume of displaced liquid

Mass of displaced liquid

None of these

Hydro meter is used to measure:

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Pressure

Density

Area

Volume

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

Einstein mass energy equation is:

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E = mc

E = m2 c

E = mc2

E2 = mc

Where there is no air the atmospheric pressure is:

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Zero

101300 Pa

7 nm Hg

1000 Nm^-2

Plasma exist in _______________

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Earth

Satellite

Moon

Sun

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9th Class Physics Chapter 7 Properties of Matter English Medium KPK Boards Online Mcqs MCQs With Answers

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