Question # 1

The unit of acceleration is.

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ms-1

ms

ms^-2

ms²

Which expands on heating?

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Water

Steel

Copper

All are true

Which of the following is the unit of momentum?

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Nm

Kg ms^-2

Ns

Ns^-1

Gravitational force is a:

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Electric force

Magnetic force

Reactional force

Electromotive force.

Moon is a _____________ satellite.

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Natural

Artificial

Not manmade

Nil

Value of g on mercury is ___________ ms^-2.

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25.94

3.7

8.87

1.62

According to Archimedes, up thrust is equal to :

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Weight of displaced liquid

Volume of displaced liquid

Mass of displaced liquid

None of these

Newton's first law of motion is valid only in the absence of:

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Force

Not force

Friction

Momentum

The formula of conversion of Celsius into Kelvin is:

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Tk = 273 - C^o

Tk = 273 + C^o

F = 1.8 + 32

All of these

A large water reservoir heeps the temperature of nearby land moderate due to:

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Low temperature

Low specific heat of water

Less absorption of heat

Large specific heat of water

The freezing point of Mercury is:

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49 ^oC

-49^oC

39^oC

-39^oC

Distance covered by freely falling downward body in first second.

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5 m

29.4 m

10 m

19.6 m

A simple way to know how much a body is hot or cold is

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Our sense of touch

Termometer

Thermostat

Setback state

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