Question # 1

Which of the substance is the lightest one?

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Copper

Mercury

Aluminim

Lead

Which of the solid does not possess the fixed shape and volume?

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Stone

Metal spoon

Pencil

Amorphous solid

Barometer was first set up by:

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Robert

Torricelli

Al Razi

Nil

Hydraulic press is a machine which works on:

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Hook's law

Pascal's law

Boyle's law

Archimedes principle

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

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Solid

Liquid

Gas

Plasma

Force per unit Area is :

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Pressure

Density

Efficiency

Nil

Which of the substances is the lightest one?

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Copper

Mercury

Aluminium

Lead

When a stress on a body crosses the limit, called the?

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Elastic limit

Plastic limit

Failure point

Breaking point

An increasing with decline in atmospheric pressure cause:

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Rainy condition

Pleasent condition

Windy condition

Intense 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

Newton per meter square is a unit of:

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Pressure

Stress

Both A and B

Force

The force exerted perpendicularly on unit of area of an object is called:& nbsp

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strain

young's modulus

pressure

buoyant force

The quantity that depends upon the force and increases with decrease in the area on which force is acting is called

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Momentum

Pressure

Mass

Velocity

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Physics 9th Class English Medium Unit 7 Online Test MCQs With Answers

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