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Physics 9th Class English Medium Unit 6 Online Test MCQs With Answers

Question # 1

Which quantity is scalar?

Choose an answer

Force

Power

Velocity

Torque

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Question # 2

Solar energy is a type of.

Choose an answer

Renewable

Non-renewable

Natural

None

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Question # 3

If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be:

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Maximum

Minimum

Zero

None of the above

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Question # 4

The energy released int he form of nuclear radiations in addition to heat and light is called:

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Mechanical energy

Gravitational energy

Chemical energy

Nuclear energy

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Question # 5

Energy cannot be destroyed however it can be converted into some other forms. This is known as:

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Law of heat exchange

Law of conservation of energy

Law of conservation of momentum

None of these

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Question # 6

Solar cell is are also known as:

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Electric cell

Photo Cell

Sun cells

Nuclear cells

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Question # 7

The tendency of doing work is called :

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Time

Energy

Force

Area

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Question # 8

The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

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5 ms^-1

12.5 ms^-1

25 ms^-1

50 ms^-1

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Question # 9

SI unit of work is:

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Joule

Coulomb

Ampere

Kelvin

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Question # 10

If f = 40 N is applied and bus is move 1m than work is :

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40 J

60 J

80 J

No work

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Question # 11

Einstein mass energy equation is:

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E= mc²

E= m²c

E = 1/2 mc²

2 mc²

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Question # 12

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

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Solid

Liquid

Gas

Plasma

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