Question # 1

F_x= 4 N and F_y=3N what is F?

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5N

1.5 N

16 N

9 N

Motion of the rocket is the example of which law?

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First law

Second law

Third law

Law of momentum

If 1N is force and body is displaced to 1m than work is :

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2 J

1 J

3 J

4 J

Evaporation takes place from liquid :

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Everywhere

Above surface only

Below surface only

Middle of liquid

The range of clinical thermometer is:

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90 ^oC - 106^oC

35^oC - 42^oC

100^oC - 132^oC

24^oC - 35^oC

Which one of the following converts light energy into electrical energy?

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Electric bulb

Electric generator

Photo cell

Electric cell

If there is no change in state of motion, then the body is said be i:

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Rest

Motion

Equilibrium

Rest & motion

The quantity of heat absorbed by the body depends upon:

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Colour of surface

Nature of surface

Shape of surface

Both a and b

The radius R of Earth is

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6.4 x 106 m

6.4 x 108 m

6.4 x 1010 m

6.4 x 1012 m

If K = 150 N/m and elasticity is 0.20 m than:

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F = 30N

F= =31N

F = 32N

F = 29N

Air and water is conductor:

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Poor

Good

Excellent

None of these

in isolated system the momentum after collision of two bodies.

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Increase

Constnat

Decrease

Zero

a ball is thrown vertically upward. Its velocity at the highest point is.

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10 ms^-2

-10 ms^-1

Zero

none of them

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