Question # 1

A straight line parallel to time-axis ona distance -time graph tells that the object is.

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Moving with constant speed

In motion

At rest

Moving with variable speed

Clockwise torque is taken:

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Positive

Negative

Neutral

Nil

The unit of momentum is :

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kgms^-1

kgms^-2

m sec

None

How does heat reaches form sun to earth through?

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Conduciton

Convection

Radiation

None

Clinical thermometer is used by:

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Astronomers

Doctors

Scientist

Chemists

A couple is formed by:

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two forces perpendicular to each other

Two like parallel forces

To equal and opposite forces in the same line.

Two equal and opposite forces not in the same line

Standards, of physical quantities were established in .

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1910

1020

1950

1960

The study of motion without reference to mass and force.

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Mechanics

Dynamics

Kinematics

None of these

According to Archimedes, upthrust is equal to

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Weight of displaced liquid

Volume of displaced liquid

Mass of displaced liquid

None of these

Which of the substance is the lightest one?

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Copper

Mercury

Aluminim

Lead

Which machine is used to find acceleration due to gravity?

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Centrifuge

Atwood machine

Hydraulic machine

Washing machine

Which one of the following units is not a derived unit?

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Pascal

Kilogram

Newton

Watt

The S.I unit of power is:

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Newton

Watt

Joule

Coulomb

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

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