Question # 1

The energy stored in coal is

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Heat Energy

Kinetic energy

Chemical energy

Nuclear energy

In houses, good thermal insulation means _____________ consumption of fuel:

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Lower

Higher

Normal

None

A car starts from rest. It acquires a speed of 25 ms^-1after 20 s. The distance moved by the car during this time is

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31.25 m

250 m

5000 m

500 m

Momentum is quantity

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Scalar

Vector

Base

All

The value of absolute zero kelving temperature is:

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273^oC

273^oK

273^oF

-273^oC

The machine which use unequal masses to find the value of "g" is ________

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Free fall apparatus

Atwood machine

Pulley

None

Which is expert thermal climber:

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Crow

Sparrow

Hawks

None

Water freezes at .

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0^o F

32 ^oF

-273 K

0 K

All ________ conduct heat easily:

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Non metals

Gases

Material

Metals

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

When two bodies are in motion then the velocity of one body relative to the other is called.

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Relative velocity

Uniform velocity

Variable velocity

Average velocity

The force which opposes the motion is called.

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Momentum

Friction

Inertia

Tension

Which gas behaves as glass or polythene to radiation:

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Nitrogen

Hydrogen

Carbon di oxide

Methane

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