Question # 1

One Megawatt is equal to :

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1 × 106 w

1 × 102 kw

1015 w

Nil

The unit of Heat is:

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Kelvin

Joule

Jkg^-1 K^-1

kg

In screw gauge if zero of circular scale is behind the index line is called error.

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Positive

Zero

Negative

None of these

Which of the substance is the lightest one?

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Copper

Mercury

Aluminim

Lead

The vacuum in barometer is called:

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Deep vacuum

Mercury vacuum

Torricellian vacuum

None of above

The speed of light is equal to:

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3 x 10⁵ ms^-1

3 x 10⁸ms^-1

3 x 10⁹ms^-1

3 x 10²ms^-1

Ships and submarines float partially or completely according to:

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Newton's law

Pascal's law

Principle of floatation

None

Which of the following is the unit of momentum?

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Nm

kgms^-2

Ns

Ns^-1

How many components are there of a solar heating system?

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2

3

4

5

________ is the height of an object or place above sea level.

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Altitude

Depth

Sun

Moon

in isolated system the momentum after collision of two bodies.

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Increase

Constnat

Decrease

Zero

Which pair of physical quantities has same SI unit?

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energy , power

power , work

energy , work

work , momentum

The energy stored in a dam is:

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Electric energy

Potential energy

Kinetic energy

Thermal energy

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