Question # 1

Which quantity has different dimensions:

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Work

Pressure

Energy

Torque

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

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2

3

4

5

Aerodynamics is a branch of

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Hydrodynamics

Thermodynamics

Both of them

Statics

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

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

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

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

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

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Germanium

Silicon

Copper

Lead

Electron is a particle whose mass is:

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Greater than that of a proton

Smaller than that of a proton

Smaller than that of a proton or a neutron

Greater than that of an atom

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

Which one of the least multiple:

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Pico

Femto

Nano

Atto

Physics deals with the study of

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Matter

Energy

Both of them

Human Body

Diameter of the atom is of the order of

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10^-10m

10^-12m

10^-15m

10^-9m

Diameter of the nucleus s of the order of

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10^-10m

10^-12m

10^-15m

10^-18m

Light year is a unit of

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Time

Distance

Velocity

Intensity of light

Light year is a unit of:

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Time

Distance

Velocity

Intensity of light

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ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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