Question # 1

Water on cooling below 4 ^oC begins to:

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Expand

Contract

Boils

None of these

On heating Air becomes.

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Heavier

Lighter

Remain same

None

Above of mass 50 kg is raised to a height of 3m. what is its P.E

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500 J

1000 J

1500 J

2000 J

................ causes coastal breeze.

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Conduction

Convection

Radiation

Nil

Leslie's cube is filled with

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Cold water

Hot water

Mercury

Air

Distance covered by freely falling downward body in first second.

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5 m

29.4 m

10 m

19.6 m

In which of the following state molecules do not leave their position?

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Solid

Liquid

Gas

Plasma

The velocity of geostationary satellites with respect to Earth is

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Vo

2Vo

Zero

1/2 Vo

The smallest division taht can be taken by a meter rule is.

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1 cm

1 mm

1 dm

1 km

As we go up the value of atmospheric pressure is

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Decreased

Increased

Remain constnat

None of these

Kinetic energy is possessed by a body by:

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Virtue of motion

Height

Rest

Nil

Two equal but unlike parallel forces having different lines of action produce:

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a Torque

a couple

Equilibrium

Netural equilibrium

Einstein mass energy equation is:

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E= mc²

E= m²c

E = 1/2 mc²

2 mc²

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