Question # 1

If the direction of motion of the force is perpendicular to the direction of motion of the body then work done will be:

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Maximum

Minimum

Zero

None of these

Rocket works on principle of ______________

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Action Reaction

Law of inertia

Mass energy

Nil

An increasing with decline in atmospheric pressure cause:

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Rainy condition

Pleasent condition

Windy condition

Intense condition

Breaking system in vehicles depends upon:

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Pascal's law

Hook's law

Archimedes law

Principle of floatation

The force acting on unit area at surface of a body is called:

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Strain

Elasticity

Force

Stress

Dogs sweat through:

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Tongue

Legs

Skin

Glands

Newton related inertia of the body with its

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Weight

Mass

Density

Force

The earth temperature is :

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300 K

200 k

100 K

50 K

The type of hydrometer which is used to measure the concentration of acid in a battery is called:

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Chemical meter

Acid meter

Barometer

pH meter

if force on body on y-axis is 100N than x-axis is:

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1000 N

200 N

600 N

0 N

Thermostat is a controlling switch:

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Heat

Temperature

Sound

Light

A satellite revolving around very close to Earth has speed nearly:

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8 kms^-1

5 kms^-1

10 kms^-1

100 kms^-1

While rounding the numbers if last digit is 5, then.

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It is simply dropped

The digit on its left is increased by 1

It is rounded to get nerarest even number

It remain same.

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

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