Question # 1

Work is zero when "F" and "S" will be:

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Parallel

Perpendicular

Anti parallel

Tangent

If base of a right angle triangle is 3 cm and perpendicular is 2 cm. What is tanθ

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0.7

1.5

2

3

Barometer was first set up by:

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Robert

Torricelli

Al Razi

Nil

Thermal conductivities of Lead

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23

30

35

85

The energy released int he form of nuclear radiations in addition to heat and light is called:

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Mechanical energy

Gravitational energy

Chemical energy

Nuclear energy

The product of mass and _______ is called momentum;

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Velocity

Force

Acceleration

None

In prefix form, 0.000001 would be expressed as.

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0.1 mm

0.01 mm

0.001 mm

0.0001 mm

Which types of friction is minimum?

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Sliding

Limiting

Rolling

None

Which one is more elastic ?

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Rubber

Steel

Copper

All has equal values

Tan 90°=

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Infinity

1

0

0.866

When a body is lifted through a height h, the work donw on it appears in the form of its.

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Kinetic energy

Potential energy

Elastic energy

Geothermal energy

Density is quantity:

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Scalar

Vector

Constant

None of these

In Which of the following state molecules do not leave their position?

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Solid

Liquid

Gas

Plasma

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

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