Question # 1

Density is defined as:

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Mass per volume

Volume per mass

Mass X volume

Mass per length

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

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Radio telescope

Microscope

Telescope

Spectro scope

The definite number of significant figures in 5000 is:

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Four

Three

Two

One

The instrument used to gather information form the far side of the universe is

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Compound microscope

Radio telescope

Astronomical Telescope

Simple microscope

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 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

1 gm-cm^-3is equal to

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10³kg-m^-3

10^-3kg-m^-3

1kg-m^-3

10⁶kg-m^-1

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

Diameter of the atom is of the order of

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10^-10m

10^-12m

10^-15m

10^-9m

For multiplication and division purposes, percentage uncertainties are:

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Add

subtracted

Multiplied

Divided

Physics is one of the branches of:

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Social sciences

Physical sciences

Biological sciences

Abstract art

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

In the equation E=mc²value of c is:

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1,86,000 miles per hour

1,86,000 miles per sec

3 X 10⁸m/sec

Both A and C

Both B and C

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

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

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

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ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers

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