Question # 1

Aerodynamics is a branch of:

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Hydrodynamics

Thermodynamics

Both of them

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

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

The mechanics, which deals with the objects moving with velocities approaching that of light is called

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Relativistic mechanics

Wave mechanics

Quantum mechanics

Statics

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

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2

3

4

5

Silicon can be obtained from:

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Lead

Uranium

An isotope of oxygen

Sand

For addition and subtraction purposes, absolute uncertainties are:

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Added

Subtracted

Multipiled

Divided

Physics is one of the branches of:

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Social sciences

Physical sciences

Biological sciences

Abstract art

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

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

Diameter of the nucleus s of the order of

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10^-10m

10^-12m

10^-15m

10^-18m

Examples of physical quantities are:

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Length

Color

Effect of music

All of these

Particles have the mass smallest of following is

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Electron

Proton

Neutron

Quark

Physics details with the study of:

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Matter

Energy

Both of them

Human body

dimensions are the same for:

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Work and energy

Force and weight

None of these

Both a and b

Relativistic mechanics is a branch of physics, which deal with the bodies moving with velocities:

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More then c

Approaching c

Equal to c

Much less than x

Diameter of the atom is of the order of

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10^-10m

10^-12m

10^-15m

10^-9m

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

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

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

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Germanium

Silicon

Copper

Lead

Number of supplementary units are

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Three

Two

Seven

Five

Electron is a particle whose mass is:

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Greater than that of a proton

Smaller than of a proton and greater than mass of neutron

Smaller than that of proton or neutron

Greater than that of an atom

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

The information from far side of the universe are gathered by:

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Radio telescope

Microscope

Telescope

Spectro scope

Physical quantities are often divided into ______ categories

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3

2

9

5

Which quantity has different dimensions:

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Work

Pressure

Energy

Torque

Which quantity has different dimension?

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Tension

Work

Energy

Torque

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

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