Question # 1

The weight of a body is 100 N its weight in deep space is :

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100 N

50 N

25 N

0 N

Which following works on Pascal's law?

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Screw gauge

Vernier callipers

Hydraulic press

Wedge

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

For balancing the beam balance, pointer must be at.

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Extreme position

Zero

The right side

The left side

Rolling friction is___________ then sliding friction :

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Greter

Less

Some

Half

The condition of equilibrium are:

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2

3

4

5

SI unit of work is:

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Joule

Coulomb

Ampere

Kelvin

Feathers of bird give good thermal:

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Conduction

Insulation

Convection

None of these

Formula of weight is derived from which law?

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First law

Second law

Third law

Law of conservation of momentum

There are ______ modes of transfer of heat:

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1

2

3

4

Which gas is used inspite of Freon gas in refrigerator?

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CO₂

H₂

NH₃

N₂

The value of g increases with the :

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Increase in the mass of the body

Increase in altitude

Decrease in altitude

None of the above

The value of G is __________ Nm² kg^-2.

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6.67 x 10^-11 Nm² kg^-1

6.67 x 10^-11Nm²kg

6.67 x 10^-11Nm²kg^-2

6.67 x 10^-11Nm kg^-1

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