Question # 1

The parallel forces which have same direction are called.

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Resutant force

Like parallel force

Unlike force

Null force

The changing of a liquid into vapours from the surface of the liquid without heating:

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Cooling

Vaporization

Evaporation

Sublimation

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

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Elastic limit

Plastic limit

Failure point

Breaking point

S.I unit of pressure is :

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Nm^-2

Newton

Joule

Watt

If a body is at a depth of 'h'form the liquid surface of density 'p' , then

the liquid pressure p[' in that body is:

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P = mgh

P = pgh

P = 2mgh

P = mag

The product of force and distance is :

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Force

Work

Torque

Nil

The machine which use unequal masses to find the value of "g" is ________

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Free fall apparatus

Atwood machine

Pulley

None

Amount of substance in terms of numbers is measured in.

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gram

Kilogram

Newton

Mole

Which expands on heating?

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Water

Steel

Copper

All are true

The tendency of doing work is called :

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Time

Energy

Force

Area

The deforming force is called _______________

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Stress

Strain

Young's Modulus

Nil

Matter has basically ___________ states.

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4

3

Both a & b

None

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

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