Question # 1

The temperature of a black dull surface on heating :

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Rise Rapidly

Fall Rapidly

Becomes zero

Remain constant

If Fx and Fy are rectangular components of a vector F, then the magnitude of vector F is:

[LHR-04 1st G]

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Mass per unit volume is:

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Velocity

Work

Density

None

At what angle sin𝜽 and cos𝜽 has same values:

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30^o

45^o

60^o

90^o

In Fahrenheit scale, upper refrence point is:

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32 ^oF

212 ^oF

180 ^oF

100 ^oF

Walking on earth is the example of which law?

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First law

Second law

Third law

Law of momentum

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

Formula of Gravitational potential energy is:

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mgh

mg/h

1/2 mv²

None of these

The vacuum in barometer is called:

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Deep vacuum

Mercury vacuum

Torricellian vacuum

None of above

Poor conductor of heat is:

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Copper

Aluminium

Water

Iron

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

The static fraction between wood and lather is _______________

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0.6

0.7

0.9

0.8

The orbital speed of a low orbit satellite is

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Zero

8 ms-1

800 ms-1

8000 ms-1

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

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