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

Question # 1

The devise used to measure the atmosphere pressure is:

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Rain gauge

Vacuum cleaner

Screw gauge

Barometer

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Question # 2

Ships and submarines float partially or completely according to:

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Newton's law

Pascal's law

Principle of floatation

None

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Question # 3

S.I unit of force is:

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None

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Question # 4

The method used for addition of non-parallel forces is.

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Algebraic

Head to trail rule

Mathematical

Nil

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Question # 5

Which is unitless quantity:

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Mass

Force

Inertia

Momentum

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Question # 6

Newton per meter square is a unit of:

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Pressure

Stress

Both A and B

Force

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Question # 7

Kilowatt - hour is unit of _____________

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Power

Energy

Work

K.e

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Question # 8

The value of sin θ at an angle of 60o is

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0.5

0.707

0.866

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Question # 9

Distance covered by freely falling downward body in first second.

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5 m

29.4 m

10 m

19.6 m

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Question # 10

Length of a rod is L∘ on temperature T∘. After heating upto temperature T, its length L becomes

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L = L∘ (1 + αΔT)

L = L∘ (1 + ΔT)

L = L∘ (1 - αΔT)

L = L∘ (1 -ΔT)

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Question # 11

If force is capable of rotation a body in clockwise direction it is :`

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Clockwise

Anticlockwise

It has no direction

Nil

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Question # 12

If an object is moving with a uniform changing speed then speed time graph .

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Variable

Parallel to time axis

Straight line

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Question # 13

The energy stored in coal is

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Heat Energy

Kinetic energy

Chemical energy

Nuclear energy

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