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

Question # 1

2nd law of motion is stated as:

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F=m/a

F=ma

F=a/m

F=ma²

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Question # 2

Land breeze blows from:

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Sea to land drawing night

Sea to land during day

Land to sea during night

Land to sea during day

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Question # 3

Two forces of 2N and 4N are acting in opposite directions, Their resultant force will be

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2 N

4 N

6 N

8 N

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Question # 4

If W stands for work, F stands for force and S stand for displacement, than mathematical work is defined as

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W = P x S

W = F x v

W = F x r

W = F x S

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Question # 5

The weight of body on earth with mass 8 kg is:

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10 N

100 N

80 N

8 N

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Question # 6

If Fy = 4 N and Fx = 3 N , what is the magnitude of resolution of force.

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5 N

7 N

10 N

15N

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Question # 7

When ice is cooled below 0 ^oC it:

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Expand

Contracts

Boils

None of these

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Question # 8

If the distance is doubled between two masses. The gravitational force will decrease:

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4 times

2 times

One forth

One third

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Question # 9

The symbol of sigma is :

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Question # 10

Everybody in the universe attracts other body with a force which is

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Directly proportional to the product of their masses

Inversely proportional to the product of their masses

Directly proportional to the distance between them

Directly proportional to the square of the distance between them

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Question # 11

Near the earth surface the gravitational field strength is:

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1 N kg^-1

10 N kg^-1

100 N kg^-1

101 N kg^-1

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Question # 12

At sea level, the height of mercury column in mercury barometer is approximately:

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72 cm

74 cm

76 cm

78 cm

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Question # 13

Highly conducting state of matter is:

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Solid

Liquid

Gas

Plasma

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