Question # 1

Silicon can be obtained from:

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Lead

Uranium

An isotope of oxygen

Sand

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

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Radio telescope

Microscope

Telescope

Spectro scpe

Light year is a unit of:

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Time

Distance

Velocity

Intensity of light

The quantity having dimension of ML²T⁰²will earth is:

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80 sec

500 sec

1.802 X 10⁴sec

Aerophysics

Radio telescope is used to gather information from

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Earth

Moon only

Far side of the universe

Sea water

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

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2

3

4

5

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 body of physics involves

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Structure of space and time

Interaction of electromagnetic radiation with matter

Both of them

Chemical Changes

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

The definite number of significant figures in 5000 is:

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Four

Three

Two

One

0.0001210 has ____________ significant figures.

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Four

Three

Seven

Eight

Which of the following are the units of intensity of light

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Pois

Lux

Siemen

Candela

Physics details with the study of:

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Matter

Energy

Both of them

Human body

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

1 gm-cm^-3is equal to:

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10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

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ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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