Question # 1

The source of energy that can be renewed are called:

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Renewable source

Non-renewable

They RAE Naturally found

None

When center of gravity is at the highest position body will be in:

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Neutral equilibrium

Stable equilibrium

Unstable equilibrium

None of these

The Atwood machine can be used to find the acceleration due to gravity using the equation

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g = 2 (m1 x m2)/(m1 + m2) a

g = (m1 - m2)/(m1 + m2) a

g = (m1 + m2)/(m1 - m2) a

The static fraction between wood and lather is _______________

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0.6

0.7

0.9

0.8

The unit of kinetic energy is:

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J

N

Km

Pa

Coloured surface is a

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Best emitter

Good emitter

Bad emitter

Wrost emitter

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

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Altitude

Depth

Sun

Moon

On Celsius scale, temperature 300 K will be:

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26°C

25°C

24°C

27°C

SI unit of pressure is pascal, which is equal to:

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10⁴ Nm^-2

1 Nm^-2

10²Nm^-2

10³ Nm^-2

The Young's Modulus of Rubber is:

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1.40 ×106 N/m2

1.6× 106 N/m2

1.4 × 107 N/m2

0.40 × 108 N/m2

The bad conductor of heat is:

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Iron

Copper

Air

Aluminum

The study of internal structur eof Earth is called.

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Atomic Physics

Plasma Physics

Geo physics

Nuclear Physics

The unit of Heat is:

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Kelvin

Joule

Jkg^-1 K^-1

kg

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