Question # 1

in isolated system the momentum after collision of two bodies.

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Increase

Constnat

Decrease

Zero

What will be the magnitude of work if a force of 25N pulls a stone through a distance of 5 m in its directions

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25 J

50 J

75 J

125 J

kgm²s^-2 = _________

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Newton

Joule

Watt

Coulomb

Things with _____________ area are more stable>

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Larger

Smaller

All

None of these

The tendency of doing work is called :

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Time

Energy

Force

Area

Alcohol has specific heat in Jkg^-1 K^-1 is:

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2500

4200

1000

138.6

On heating Air becomes.

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Heavier

Lighter

Remain same

None

Dull black surface are good ____________

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Absorber

Radiator

Conductor

None of these

Law of Gravitation is consistence with:

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1st Law of motion

2nd Law of motion

3rd Law of motion

Law of momentum

In velocity the body become double , then centripetal force will be:

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Half

Three times greater

Double

Four times greater

Coefficient of friction between tyre and dry road is.

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0.6

1

0.05

0.2

................. can be add algebraically.

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Scalar quantities

Vector

All

None

The main source of energy in the unierse is:

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Moon

Stars

Sun

Planets

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Physics 9th Class English Medium Online Test MCQs With Answers

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