Question # 1

Density is defined as:

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Mass per volume

Volume per mass

Mass x volume

Mass per length

Physics details with the study of:

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Matter

Energy

Both of them

Human body

Physics is one of the branches of:

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Social sciences

Physical sciences

Biological sciences

Abstract art

The mechanics, which deals with the objects moving with velocities approaching that of light is called

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Relativistic mechanics

Wave mechanics

Quantum mechanics

Statics

Branch of physics which deals with the study of stars and galaxies is called:

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Solid state physics

Astrophysics

Molecular physics

Chemical physics

The study of physics involves?

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Structure of space and time

Interaction of electromagnetic radiation with matter

Both of them

Chemical changes

None of them

Significant figures in 0.2020 are:

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Two

Three

Four

Five

Relativistic mechanics is a branch of physics, which deal with the bodies moving with velocities:

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More then c

Approaching c

Equal to c

Much less than x

Significant figures in 0.0010 are:

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Four

Three

Two

One

Radio telescope is used to gather information from

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Earth

Moon only

Far side of the universe

Sea water

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

If the absolute uncertainty of an instrument is 0.0a1 cm, then its least count will be :

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0.005 cm

0.01 cm

0.02 cm

0.001 cm

Which quantity has different dimensions:

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Work

Pressure

Energy

Torque

Physics deals with the study of

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Matter

Energy

Both of them

Human Body

Significant figures in 0.0010 are

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Four

Three

Two

One

Diameter of the atom is of the order of

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10^-10m

10^-12m

10^-15m

10^-9m

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ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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