Question # 1

Density is defined as:

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Mass per volume

Volume per mass

Mass X volume

Mass per length

The branch of physics which deals with the structure and properties of solids is called:

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Plasma physics

Solid state physics

Any of above

Astrophysics

0.0001210 has ____________ significant figures.

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Four

Three

Seven

Eight

From sand, we get a material used for construction of computer chips. That material is called:

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Germanium

Silicon

Copper

Lead

From sand, we get a material used for construction of computer chips. That material is called:

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Germanium

Silicon

Copper

Lead

Significant figures in 0.0010 are:

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Four

Three

Two

One

The maximum possible error in the reading of an instrument is ______ its least count.

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Half of

Quarter of

Equal to

Double than

The definite number of significant figures in 5000 is:

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Four

Three

Two

One

The body of physics involves

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Structure of space and time

Interaction of electromagnetic radiation with matter

Both of them

Chemical Changes

Silicon can be obtained from:

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Lead

Uranium

An isotope of oxygen

Sand

The error may occur due to:

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Negligence

Faulty apparatus

Inappropriate method

all of these

The time taken by light to travel from moon to earth is:

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80 sec

500 sec

1.802 X 10⁴sec

Aerophysics

The branch of physics, which deals with the structure an properties of solids is called:

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Plasma physics

Solid state physics

Any of above

Astro physics

Number of supplementary units are

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Three

Two

Seven

Five

The branch of physics which deals with the properties of fundamental particles is called:

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High energy physics

Molecular physics

Astrophysics

Space physics

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