Question # 1

A dimension stands for the ___________ nature of certain physical quantity.

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super

Quantitative

Qualitative

Both B and C

Computer chips are made from

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Conductors

Semiconductors

Insulators

Both A and B

Diameter of the nucleus s of the order of

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10^-10m

10^-12m

10^-15m

10^-18m

1 gm-cm^-3is equal to:

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10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

Which quantity has different dimension:

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Work

Pressure

Energy

Torque

Significant figures in 0.0010 are

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Four

Three

Two

One

Particles have the mass smallest of following is

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Electron

Proton

Neutron

Quark

1 gm-cm^-3is equal to

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10³kg-m^-3

10^-3kg-m^-3

1kg-m^-3

10⁶kg-m^-1

Silicon can be obtained from:

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Lead

Uranium

An isotope of oxygen

Sand

Uncertainty is of following type/types:

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Absolute

Fractional

Percentage

All of these

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

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

Significant figures in 0.0010 are:

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Four

Three

Two

One

Density is defined as:

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Mass per volume

Volume per mass

Mass X volume

Mass per length

High energy physics is branch of physics, which deals with:

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Stars and galaxies

Sub-atomic particles

Light and sound

Molecules

Significant figures in 0.2020 are:

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Two

Three

Four

Five

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