Question # 1

The pressure of liquid is given by

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pg V

pg A

pgh

pg

Which of the substance is the lightest one?

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Copper

Mercury

Aluminim

Lead

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

Plasma is a gas which consists of:

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Negative ions

Positive ions

Neutral ions

All of htese

The ratio of stress to strain is constant,This is known as

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Hook's law

Tensile strain

young's modulus

strain

The Earth is surrounded by a cover of air called

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Atmosphere

Solid

Environment

Surroundings

Plasma is in ___________ form.

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Moleculer

Kinetic

Static

Ionized

An increasing with decline in atmospheric pressure cause:

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Rainy condition

Pleasent condition

Windy condition

Intense condition

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

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

The braking system of cars, buses etc also works on

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Newton's law

Pascal law

Faraday law

Bohr's law

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

S.I unit of young's modulus is:

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Nm

Nm^-1

Nm^-2

Nm^-3

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

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