Question # 1

Particles have the mass smallest of following is

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Electron

Proton

Neutron

Quark

The principle characteristics of an ideal standard are

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Inaccessible and Invariable

Accessible and Invariable

Accessible and Variable

None of these

Significant figures in 0.0010 are

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Four

Three

Two

One

Which of the following are the units of intensity of light

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Pois

Lux

Siemen

Candela

Aerodynamics is a branch of:

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Hydrodynamics

Thermodynamics

Both of them

Statics

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

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

Total number of base units are

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Three

Five

Seven

Nine

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

The branch of physics which deals with the structure and properties of solids is called:

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Plasma physics

Solid state physics

Any of above

Astrophysics

Number of supplementary units are

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Three

Two

Seven

Five

Which quantity has different dimensions:

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Work

Pressure

Energy

Torque

Examples of physical quantities are:

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Length

Color

Effect of music

All of these

Significant figures in 0.0010 are:

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Four

Three

Two

One

Radio telescope is used to gather information from

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Earth

Moon only

Far side of the universe

Sea water

Distance to nearest galaxy from earth is

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10¹⁰m

10¹⁵m

10⁴⁰m

10³⁰m

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ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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