Question # 1

The most abundant isotope of neon is:

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Neon 21

Neon 20

Neon 22

None of above

Rutherford performed on experiment on a nuclear reaction in:

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1921

1981

1927

1932

By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by

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N

N/2

N/4

3N/4

A device that shows the visible path of ionizing particle is called.

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GM counter

Solid state detector

Scalar

Wilson cloud chamber

Curie is unit of.

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Conductivity

Binding energy

Radioactivity

Resistivity

Bottom quark carries charge :

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2/3 e

-2/3 e

+1/3 e

-1 /3 e

X -rays are similar in nature to.

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Gama rays

Beta rays

Alpha rays

Cathode rays

How many neutrons are there in the nuclide Zn⁶⁶?

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22

30

36

66

Unit of decay constantλ is:

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ms

m^-1

m

S^-1

The number of protons in any atom are always equal to the number of

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Neutrons

Electrons

Positrons

Mesoris

GM counter uses

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Alcohol only

Bromine

argon

Neon and bromine

Unit of decay constantλ is:

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ms

m^-1

m

S^-1

The quantity of U in the naturally occurring uranium is.

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0.2%

0.3%

0.7%

0.4%

Electrons are

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Hadrons

Laptons

Quarks

Baryons

A particles equal or greater in mass than of protons are called.

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Baryons

Leptons

Mesons

Quarks

If the following particle have the same energy, which particle has the shortest wave length.

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alpha particle

Neutron

Beta particle

Proton

Radioactivity happen due to the disintegration of

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Nucleus

Mass

Electrons

Protons

The binding energy for_________ is maximum.

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Copper

Glass

Iron

Aluminum

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