Question # 1

The quantity have dimension of ML²T⁰²will have SI unit of:

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Watt

Newton

Joule

Metre

Which one is the least multiple:

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Pico

Femto

Nano

Atto

Electron is a particle whose mass is:

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Greater than that of a proton

Smaller than that of a proton

Smaller than that of a proton or a neutron

Greater than that of an atom

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

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Stars and galaxies

Sub-atomic particles

Light and sound

Molecules

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

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Germanium

Silicon

Copper

Lead

The information from far side of the universe are gathered by

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Radio telescope

Microscope

Telescope

Spectro scpe

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

Diameter of the atom is of the order of

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10^-10m

10^-12m

10^-15m

10^-9m

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

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

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Relativistic mechanics

Wave mechanic

Quantum mechanics

Statics

1 gm-cm^-3is equal to:

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10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

The maximum possible error in the reading for a meter rod with least count 1 mm is:

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0.005 mm

0.05mm

0.5mm

5.0mm

dimensions are the same for:

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Work and energy

Force and weight

None of these

Both a and b

Radio telescope is used to gather information from

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Earth

Moon only

Far side of the universe

Sea water

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

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

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

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

Density is defined as:

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Mass per volume

Volume per mass

Mass x volume

Mass per length

Light year is a unit of

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Time

Distance

Velocity

Intensity of light

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

Physics deals with the study of

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Matter

Energy

Both of them

Human Body

Addition of 2.189 kg, 0.089 kg, 11.8 kg, and 5.32 kg gives the rounded off answer as:

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19.398

19.400

19.4

19.3

The machines which deals with the objects moving with velocities approaching that of light is called:

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Relativistic mechanics

Wave mechanics

Quantum

Statics mechanics

Addition of 2.189 kg, 11.8 kg and 5.32 kg gives the rounded off answer as:

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19.398

19.400

19.4

19.3

Physics is one of the branches of:

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Social sciences

Physical sciences

Biological sciences

Abstract art

Significant figures in 0.0010 are:

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Four

Three

Two

One

Which of the following are the units of intensity of light

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Pois

Lux

Siemen

Candela

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