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

Question # 1

The unit of π is:

Choose an answer

None

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Question # 2

The process in which heat is transfer due to actual movement of molecule is called.

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Conduction

radiation

Convection

All of these

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Question # 3

The centre of gravity of irregular shaped body can be found with the help of:

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Wedge

Meter rod

Plumb line

Screw gauge

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Question # 4

Rate of change of velocity is known as.

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Acceleration

Speed

Velocity

Distance

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Question # 5

Glider pilots use __________ movement of hot air currents due to convection of heat:

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Downward

Upward

Left

right

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Question # 6

Einstein mass energy equation is:

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E = mc

E = m2 c

E = mc2

E2 = mc

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Question # 7

A minor but sudden fall in atmospheric pressure is followed by

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a storm and a rain

an intense weather

a pleasant weather

a poor weather

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Question # 8

False celling is done to

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Lower the height of ceiling

Keep the roof clean

cool and room

Insulate the ceiling.

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Question # 9

The range of clinical thermometer is:

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90 ^oC - 106^oC

35^oC - 42^oC

100^oC - 132^oC

24^oC - 35^oC

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Question # 10

All ________ conduct heat easily:

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Non metals

Gases

Material

Metals

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Question # 11

1000 liters is equal to:

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100 m³

1 m³

1 cm³

1 mm³

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Question # 12

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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Question # 13

All bodies absorb or emit energy by

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convection

radiation

conduction

both (a) & (c)

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