Question # 1

A solar cell is also called:

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Photo cell

Generator

Battery

None

The unit of electric charge is

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Ampare

Joule

Coulomb

Volt

Centre of gravity of uniform square is:

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Intersection of diagonals

Point of intersection of medians

At centre

None of these

The net torque acting on a rotating body with uniform speed is:

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0

1

2

5

The energy stored in dam is:

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Potential energy

Kinetic energy

Chemical enegy

Nuclear energy

Kinetic and potential energy are the kinds of energy:

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Chemical

Nuclear

Light

Mechanical

1 hp is equal to :

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747 W

746 W

748 W

1000 W

What kind of waste is produced by nuclear power plant?

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Carbon di oxide

Radio active

Fuels

Toxic material

Water freezes at .

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0^o F

32 ^oF

-273 K

0 K

Einstein's mass-energy equation relation is:

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E =1/2 mc²

E =mc²

E =m²c

E = 2 mc²

Quantities between which a graph is plotted are called.

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Scalars

Vectors

Variables

None

Racing cars are made stable by :

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Increasing their speed

Decrease their mass

Lowering their center of gravity

Decreasing their width

When the cyclist stop pedalling, bicycle stops due to :

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Friction

Momentum

Weight

Mass

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