Question # 1

According to law of conservation of energy increases in P.E is equal to:

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Increase K.E

Decrease in K.E

Decrease in P.E

None

Celsius temperature is converted into Fahrenheit temperature using the formula

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F = 1.8 C + 32

F = 1.8 C - 32

F = 1.4 C + 32

F = 1.4C - 32

The conduction is due to:

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They have high boiling point

Vibration of atoms

They have high melting point

None of above

The temperature at which a solid start melting is:

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Freezing point

Melting point

Fusion point

Both B and C

On hot days cold air from sea began to move towards land:

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Sea breeze

Land breeze

Both A and B

None of these

Things with _____________ area are more stable>

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Larger

Smaller

All

None of these

The motion of the rider in Ferris wheel is.

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Vibratory

Translatory

Rotatory

Linear

The weight of a body is 100 N its weight on moon is :

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0.17 Kg

1.7 N

17 N

170 N

Gravitational constant depends on:

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Medium

Force

Weight

It does not depend son anything

If the distance is doubled between two masses. The gravitational force will decrease:

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4 times

2 times

One forth

One third

If the mass of a body is 'm' and change in its temperature isΔT, then the heat absorbed or released is given by

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ΔQ = cmΔT

ΔQ = mΔT

ΔQ = 2cΔT

ΔQ = cmΔT2

At the surface of Earth, the acceleration due to gravity 'g' is measured by using the formula

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g = GMe/R

GMe/R2

g = 2GMe/R2

g = GMe/2R

S.I unit of gravitational field strength is:

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Nkg

Nkg^-1

Nkg^-2

Nkg^-3

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