Question # 1

Light year is a unit of:

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Time

Distance

Velocity

Intensity of light

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

Which of the following are the units of intensity of light

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Pois

Lux

Siemen

Candela

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

Radio telescope is used to gather information from

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Earth

Moon only

Far side of the universe

Sea water

In the equation E=mc² value of c is?

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186000 miles per hour

186000 miles per sec

3 X 10⁸m/sec

Both A and C

Both B and C

Aerodynamics is a branch of:

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Hydrodynamics

Thermodynamics

Both of them

Statics

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

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Radio telescope

Microscope

Telescope

Spectro scpe

Which one is the least multiple:

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Pico

Femto

Nano

Atto

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

Which branch of physics deals with the structure and properties of solids

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Atomic Physics

Plasma Physics

Molecular Physics

Solid state physics

The definite number of significant figures in 5000 is:

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Four

Three

Two

One

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

Which quantity has different dimensions:

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Work

Pressure

Energy

Torque

Physics is one of the branches of:

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Social sciences

Physical sciences

Biological sciences

Abstract art

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

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