Question # 1

Astrophysics is a branch of physics, which deals with:

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Sub-atomic particles

Stars and galaxies

Light and sound

Music

Aerodynamics is a branch of

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Hydrodynamics

Thermodynamics

Both of them

Statics

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

Those quantities which can be measured accurately are known as

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Physical Quantities

Scalar Quantities

Vector Quantities

Non Physical Quantities

Examples of physical quantities are:

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Length

Color

Effect of music

All of these

1 gm-cm^-3is equal to:

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10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

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

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Radio telescope

Microscope

Telescope

Spectro scpe

Significant figures in 0.0010 are

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Four

Three

Two

One

From sand, we get a material used for construction with the motion of bodies under the action of forces is called:

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Optics

Mechanics

Thermodynamics

Astrophysics

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

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Two

Three

Four

Five

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

Physics details with the study of:

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Matter

Energy

Both of them

Human body

The time taken by light to travel from moon to earth is:

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80 sec

500 sec

1.802 X 10⁴sec

Aerophysics

Number of supplementary units are

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Three

Two

Seven

Five

Physics is one of the branches of:

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Social sciences

Physical sciences

Biological sciences

Abstract art

The quantity having dimension of ML²T⁰²will earth is:

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80 sec

500 sec

1.802 X 10⁴sec

Aerophysics

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