Question # 1

The value of g on moon's surface is 1.6 ms^-2. what will be the weight of a 100 kg body on the surface of the moon?

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100 N

160 N

1000 N

1600 N

The force exerted perpendicularly on unit of area of an object is called:& nbsp

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strain

young's modulus

pressure

buoyant force

The changing of a liquid into vapours from the surface of the liquid without heating:

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Cooling

Vaporization

Evaporation

Sublimation

Archimedes is a scientist:

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Greek

Italian

French

English

Formula of Gravitational potential energy is:

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mgh

mg/h

1/2 mv²

None of these

Rooms are heated using gas heater by:

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Conduction only

Convection and radiation

Radiation only

Convection only

The sum of kinetic energy and potential energy of molecules or atoms is called.

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Temperature

Internal energy

Kinetic energy

Potential energy

Heat capacity of 5 kg water is.

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2000 JK^-1

2100 JK^-1

21000 JK^-1

210000 JK^-1

Pressure is quantity:

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Scalar

Vector

Constnat

Dependent

A force of 10 N is making and angle of 30^owith the horizontal. Its horizontal component will bw:

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4 N

5 N

7 N

8.7 N

S.I unit of specific heat is:

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Jkg^-1 K^-1

J^-1kg^-1K^-1

JkgK

Jkg^-1K

Which of the following affects evaporation?

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Temperature

Surface area of the liquid

Wind

All of the above

Rocket works on principle of ______________

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Action Reaction

Law of inertia

Mass energy

Nil

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

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