Question # 1

Which of the substance is lightest one?

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Copper

Aluminium

Mercury

Lead

Ship and boats are designed on the principal of

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Charge

Densities

Volume

Floatation

Liquid pressure at depth h is:

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p/gh

h/pg

pgh

i/pgh

If a body is at a depth of 'h'form the liquid surface of density 'p' , then

the liquid pressure p[' in that body is:

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P = mgh

P = pgh

P = 2mgh

P = mag

Highly conducting state of matter is:

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Solid

Liquid

Gas

Plasma

Which following works on Pascal's law?

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Screw gauge

Vernier callipers

Hydraulic press

Wedge

Tensile strain produces the change in the object.

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Length

Volume

Area

Density

Hydraulic press is a machine which works on:

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Hook's law

Pascal's law

Boyle's law

Archimedes principle

_______________ was a pupil of Galileo.

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Einstein

Robert

Al Razi

Torricelli

The unit of weather in map is :

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°C

°F

K

mbar

During the hot summer day the vlaue of atomospheric pressure is:

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Increase

Decreases

Constant

None of these

Density is quantity:

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Scalar

Vector

Constant

None of these

Stress is defined as

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Stress = Force/ Area

Stress = Area/Force

Stress = Area/ Volume

Stress = Mass/ Volume

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9th Class Physics Chapter 7 Properties of Matter English Medium KPK Boards Online Mcqs MCQs With Answers

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