Question # 1

The devise used to measure the atmosphere pressure is:

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Rain gauge

Vacuum cleaner

Screw gauge

Barometer

____________ from sun are major source of energy on earth.

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Light

Radiation

Both a & b

None of these

Momentum is defined as the product of

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Mass and acceleration

Force and acceleration

Mass and velocity

Force and velocity

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

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Half

Three times greater

Double

Four times greater

Amount of heat that flows in unit time is called:

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Rate of flow of heat

Q/t

Conductivity

Both A and B

A body is in neutral equilibrium when its centre of gravity:

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Is at its highest position

Is at the lowest position

Keep its height if displaced

Is situated at its bottom

The temperature if steam is

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0°C

100°C

273°C

-273°C

Which of the following is unit of momentum?

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Nm

Kgms^-2

Ns

Ns^-1

The unit of torque is:

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N

Nm

m

m/n

The resultant vector of given vectors A and B is

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The mass of Earth is

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6 x 1018 kg

6 x 1020 kg

6 x 1022 kg

6 x 1024 kg

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

kgm²s^-2 = _________

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Newton

Joule

Watt

Coulomb

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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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