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

The energy released int he form of nuclear radiations in addition to heat and light is called:

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Mechanical energy

Gravitational energy

Chemical energy

Nuclear energy

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

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Solid

Liquid

Gas

Plasma

Everybody in the universe attracts other body with a force which is

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Directly proportional to the product of their masses

Inversely proportional to the product of their masses

Directly proportional to the distance between them

Directly proportional to the square of the distance between them

Least count of physical balance is.

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0.001 g

0.01 g

0.1 g

0.0001 g

A ball of mass 1 kg moving with velocity 2 ms-1, Its momentum will be

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1 Ns

2 Ns

0.5 Ns

4 Ns

Einstein's mass-energy equation is

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E = mc

E = mc2

E = 2mc

E = m2c

When two bodies are in motion then the velocity of one body relative to the other is called.

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Relative velocity

Uniform velocity

Variable velocity

Average velocity

1 mega watt is equal to:

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10² W

10³ W

10⁵ W

10⁶W

The value of g at a height one Earth's radius above the surface of the earth is:

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2g

1/2 g

1/3 g

1/4 g

Rate of doing work is called

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Energy

Torque

Power

Momentum

When a hammer raised up its energy will be:

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Mechanical energy

Gravitational potential energy

Chemical energy

Nuclear energy

SI unit of temperature is.

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Fahrenheit

Centigrade

Kelvin

All of these

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