Question # 1

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

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Germanium

Silicon

Copper

Lead

Computer chips are made from

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Conductors

Semiconductors

Insulators

Both A and B

Light year is a unit of

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Time

Distance

Velocity

Intensity of light

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

Particles have the mass smallest of following is

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Electron

Proton

Neutron

Quark

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

Uncertainty is of following type/types:

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Absolute

Fractional

Percentage

All of these

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

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Two

Three

Four

Five

Which one of the least multiple:

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Pico

Femto

Nano

Atto

Significant figures in 0.0010 are

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Four

Three

Two

One

The study of physics involves?

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Structure of space and time

Interaction of electromagnetic radiation with matter

Both of them

Chemical changes

None of them

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

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2

3

4

5

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

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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