Question # 1

1 hp is equal to :

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747 W

746 W

748 W

1000 W

The ability of a body to do work is known as

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power

energy

kinetic energy

potential energy

1 MJ=

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10³ J

10⁶J

10⁷J

10^-3J

A temperature rise in the environment disturbs life called:

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Air pollution

Land pollution

Noice pollution

Thermal pollution

P.E is calculated by a formula :

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Mgh

mg

gh

Nil

The S.I unit of efficiency is :

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J/s

Nm

watt

It has no unit

The ability of body to do work is called:

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Power

Energy

Work

Efficiency

Energy cannot be destroyed however it can be converted into some other forms. This is known as:

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Law of heat exchange

Law of conservation of energy

Law of conservation of momentum

None of these

A body possesses if it is capable to do work:

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Energy

Power

Force

All

In Einstein's mass-energy equation, c is the

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Speed of sound

Speed of light

Speed of electron

Speed of Earth

In which of the following state molecules don not leave their position?

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Solid

Liquid

Gas

Plasma

How many components are there of a solar heating system?

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2

3

4

5

From following, which one is a renewable source of energy?

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Coal

Gas

Sunlight

Petrolum

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