Question # 1

Physics is one of the branches of:

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Social sciences

Physical sciences

Biological sciences

Abstract art

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

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Stars and galaxies

Sub-atomic particles

Light and sound

Molecules

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

Silicon can be obtained from:

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Lead

Uranium

An isotope of oxygen

Sand

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

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

Significant figures in 0.0010 are:

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Four

Three

Two

One

Aerodynamics is a branch of

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Hydrodynamics

Thermodynamics

Both of them

Statics

For multiplication and division purposes, percentage uncertainties are:

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Add

subtracted

Multiplied

Divided

Diameter of the nucleus s of the order of

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10^-10m

10^-12m

10^-15m

10^-18m

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

If the absolute uncertainty of an instrument is 0.0a1 cm, then its least count will be :

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0.005 cm

0.01 cm

0.02 cm

0.001 cm

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

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ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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