Question # 1

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

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Germanium

Silicon

Copper

Lead

The branch of physics which is mainly concerned with the motion of bodies under the action of forces is called:

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Optics

Mechanics

Thermodynamics

Astro physics

Particles have the mass smallest of following is:

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Electron

Proton

Neutron

Quark

Significant figures in 0.0010 are:

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Four

Three

Two

One

The quantity having dimension of ML²T⁰²will earth is:

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80 sec

500 sec

1.802 X 10⁴sec

Aerophysics

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

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

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

The principle characteristics of an ideal standard are

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Inaccessible and Invariable

Accessible and Invariable

Accessible and Variable

None of these

Density is defined as:

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Mass per volume

Volume per mass

Mass x volume

Mass per length

Which branch of physics deals with the structure and properties of solids

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Atomic Physics

Plasma Physics

Molecular Physics

Solid state physics

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

Physics is one of the branches of:

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Social sciences

Physical sciences

Biological sciences

Abstract art

Diameter of the nucleus s of the order of

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10^-10m

10^-12m

10^-15m

10^-18m

Silicon can be obtained from

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Lead

Uranium

An isotope of oxygen

Sand

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

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