Question # 1

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

Dimension of mass is written as:

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M

[M]

(M)

[m]

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 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

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

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

1 gm-cm^-3is equal to:

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10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

Total number of base units are

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Three

Five

Seven

Nine

Which of the following are the units of intensity of light

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Pois

Lux

Siemen

Candela

Which one is the least multiple

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Pico

Femto

Nano

Atto

Physical quantities are often divided into ______ categories

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3

2

9

5

Distance to nearest galaxy from earth is

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10¹⁰m

10¹⁵m

10⁴⁰m

10³⁰m

The error may occur due to:

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Negligence

Faulty apparatus

Inappropriate method

all of these

Radio telescope is used to gather information from

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Earth

Moon only

Far side of the universe

Sea water

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

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

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Stars and galaxies

Sub-atomic particles

Light and sound

Molecules

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Other Links

ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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