Question # 1

Density is defined as:

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Mass per volume

Volume per mass

Mass x volume

Mass per length

dimensions are the same for:

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Work and energy

Force and weight

None of these

Both a and b

1 gm-cm^-3is equal to

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10³kg-m^-3

10^-3kg-m^-3

1kg-m^-3

10⁶kg-m^-1

The information from far side of the universe are gathered by

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Radio telescope

Microscope

Telescope

Spectro scpe

The quantity have dimension of ML²T⁰²will have SI unit of:

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Watt

Newton

Joule

Metre

The system international (SI) is built from _______ kind of unites

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Two

Three

Four

Five

Uncertainty is of following type/types:

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Absolute

Fractional

Percentage

All of these

Number of supplementary units are

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Three

Two

Seven

Five

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

Significant figures in 0.2020 are:

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Two

Three

Four

Five

For addition and subtraction purposes, absolute uncertainties are:

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Added

Subtracted

Multipiled

Divided

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

At the present time, the main frontiers of fundamental science are

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2

3

4

5

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

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Germanium

Silicon

Copper

Lead

Total number of base units are

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Three

Five

Seven

Nine

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

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

Physics details with the study of:

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Matter

Energy

Both of them

Human body

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

Which one is the least multiple:

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Pico

Femto

Nano

Atto

In the equation E=mc²value of c is:

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1,86,000 miles per hour

1,86,000 miles per sec

3 X 10⁸m/sec

Both A and C

Both B and C

The information from far side of the universe are gathered by:

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Radio telescope

Microscope

Telescope

Spectro scope

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 is mainly concerned with the motion of bodies under the action of forces is called:

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Optics

Mechanics

Thermodynamics

Astro physics

Electron is a particle whose mass is:

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Greater than that of a proton

Smaller than of a proton and greater than mass of neutron

Smaller than that of proton or neutron

Greater than that of an atom

The branch of physics which concerned with the ultimate particles of which the universe is composed is known as

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SolidState physics

Particle Physics

Nuclear Physics

Atomic Physics

Which quantity has different dimension:

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Work

Pressure

Energy

Torque

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

Those quantities which can be measured accurately are known as

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Physical Quantities

Scalar Quantities

Vector Quantities

Non Physical Quantities

Diameter of the nucleus s of the order of

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10^-10m

10^-12m

10^-15m

10^-18m

The information from far side of the universal are gathered by:

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Radio telescope

Microscope

Telescope

Spectro scpe

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