Question # 1

1 gm-cm^-3is equal to

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10³kg-m^-3

10^-3kg-m^-3

1kg-m^-3

10⁶kg-m^-1

For multiplication and division purposes, percentage uncertainties are:

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Add

subtracted

Multiplied

Divided

Physics details with the study of:

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Matter

Energy

Both of them

Human body

Which quantity has different dimension:

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Work

Pressure

Energy

Torque

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

The maximum possible error in the reading of an instrument is ______ its least count.

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Half of

Quarter of

Equal to

Double than

The principle characteristics of an ideal standard are

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Inaccessible and Invariable

Accessible and Invariable

Accessible and Variable

None of these

Branch of physics which deals with the study of stars and galaxies is called:

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Solid state physics

Astrophysics

Molecular physics

Chemical physics

Density is defined as:

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Mass per volume

Volume per mass

Mass X volume

Mass per length

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

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Relativistic mechanics

Wave mechanic

Quantum mechanics

Statics

Significant figures in 0.0010 are:

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Four

Three

Two

One

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

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Two

Three

Four

Five

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

1 gm-cm^-3is equal to:

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10³kg-m^-3

10^-3kg-m^-3

1 kg-m^-3

10⁶kg-m^-1

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ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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