Question # 1

A body is placed at height 'h' above the surface of the Earth.The value of 'g' is given by

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gh = Me/(R + h)2

gh = GMe/(R +h)2

gh = GMe/R2h

Weight of the body is due to the :

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Gravitation force

Centripetal force

Centrufugal force

All of the above

Newton per meter square is a unit of:

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Pressure

Stress

Both A and B

Force

Rate of doing work is called:

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Energy

Torque

Power

Moment

In how many division Fahrenheit scale is divided?

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100

273

180

50

A large water reservoir keeps the temperature of nearby land moderate due to

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Low temperature of water

Low specific heat of water

Less absorption of heat

Large specific heat of water

Pressure is quantity.

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Vector

Scalar

Base

Derived

____________ from sun are major source of energy on earth.

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Light

Radiation

Both a & b

None of these

Quantities between which a graph is plotted are called.

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Scalars

Vectors

Variables

None

If the mass of moving body in a circle is doubled then centripetal force wil be:

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Doubled

Half

4 times

Same

All divers need to wear seat belt because of effect of:

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Air resistance

Tensional

Push force

Gravitational

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

Newton discovered the cause of falling apple in :

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1886

1905

1665

1600

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