Question # 1

If the velocity of a body becomes double, then its kinetic energy will:

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Remain the same

Become double

Become four time

Become half

The motion of the rider in Ferris wheel is.

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Vibratory

Translatory

Rotatory

Linear

The temperature at which a solid start melting is:

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Freezing point

Melting point

Fusion point

Both B and C

The velocity of freely falling bbodies moving upward.

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Decreases

Increases

Constnat

zero

Atmospheric pressure acts in:

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upward direction

Down ward direction

Opposite of force

All direction

The force acting on unit area at surface of a body is called:

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Strain

Elasticity

Force

Stress

The boiling point of mercury is:

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-10 ^oC

150^oC

375^oC

457^oC

The eleventh general conference was held in Paris in.

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1959

1961

1660

1960

Unit of strain is:

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Nm^-2

Nm

N

No unit

Atmospheric pressure is measured by an instrument called:

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Barometer

Altimeter

Meter rod

Hydrometer

Mercury is used as thermometric material because it has

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Uniform thermal expansion

Low freezing point

Small heat capacity

All the above properties

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

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Lower

Higher

Normal

None

At a height of 30 km, atmospheric pressure is:

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101300 Pa

1000 Pa

10000 Pa

101325 Pa

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