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

Question # 1

To find x component of force 'F' we use formul:

Choose an answer

F Sin 𝜽

F Cos 𝜽

F tan 𝜽

F/F1

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Question # 2

The quantity of heat absorbed by the body depends upon:

Choose an answer

Colour of surface

Nature of surface

Shape of surface

Both a and b

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Question # 3

Rooms are heated using gas heater by:

Choose an answer

Conduction only

Convection and radiation

Radiation only

Convection only

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Question # 4

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

Choose an answer

10 ms^-2

-10 ms^-1

Zero

none of them

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Question # 5

The forces that are parallel to each other and have the same direction are called:

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Like parallel forces

Unlike parallel forces

Resultant forces

Net forces

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Question # 6

The velocity of bodies falling down

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Dwscreses

Increases

Zero

Constant

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Question # 7

Newton's first law of motion is known as law of ___________________

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Force

Inertia

A and B both

None

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Question # 8

The ability of body to do work is called:

Choose an answer

Power

Energy

Work

Efficiency

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Question # 9

Normal human body temperature is :

Choose an answer

15°C

98.6°C

37°C

37°F

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Question # 10

If no external force acting on a body then such system is called.

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Ideal system

Controlled system

Isolated system

None

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Question # 11

Mass is measured by:

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Spring balance

Measuring cylinder

Physical Balance

None of these

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Question # 12

Which of the following is a good radiator of heat?

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A shining slivered surface

A dull black surface

A white surface

A green coloured surfaced

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Question # 13

The velocity and acceleration of the body moving with uniform speed in a circular path will be:

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In same direction

In opposite direction

Mutually perpendicular

Equal

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