Question # 1

One liter is equal to:

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1 kgcm-3

1000 cm-3

10-6 m3

10-3 m3

One horse power is equal to:

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746 W

749 W

764 W

794 W

The tendency of doing work is called :

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Time

Energy

Force

Area

kgm²s^-2 = _________

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Newton

Joule

Watt

Coulomb

Solar energy is a type of.

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Renewable

Non-renewable

Natural

None

The energy stored in coal is

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Heat Energy

Kinetic energy

Chemical energy

Nuclear energy

_____________ is an other unit of power.

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J

W

hp

W/J

A body possesses if it is capable to do work:

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Energy

Power

Force

All

SI unit of work is:

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Joule

Coulomb

Ampere

Kelvin

The potential energy of a body of mass 'm' placed at a height 'h' above the surface of earth is equal to

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P.E. = mg

P.E. = mgh

P.E. = 3mgh

P.E. = 2mgh

If a force F makes an angle θ with the direction of motion of the force, then the formula for the work done will be:

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W = FS

W = FS cosθ

W = FS sinθ

W = FS tanθ

The energy of a body during the motion is called:

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Potential energy

Kinetic energy

Elastic P.E.

Heat energy

One Megawatt is equal to :

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1 × 106 w

1 × 102 kw

1015 w

Nil

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