Question # 1

The number of neutrons in Li are

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2

3

4

7

Number of Isotopes of Neon gas are

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2

3

4

1

The scientist who suggested the presence of neutron was:

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Bohr

Rutherford

Chadwick

J.J Thomson

The total charge of any nucleus is:

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Ze

Z

Both a and b

None of above

Materials can be identified by measuring their

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Mass

Half life

Both a and b

None of a,b,c

X -rays are similar in nature to.

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Gama rays

Beta rays

Alpha rays

Cathode rays

The number of Isotopes of cesium are.

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4

32

22

36

The energy of photon for photoelectric effect is less than

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1 MeV

2 MeV

5 MeV

8 MeV

When a nucleus emits an alpha particle, its atomic mass decreases by

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1

2

3

4

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

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Baryons

Leptons

Mesons

Quarks

Both Xenon and cesium have

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33 isotopes

34 Isotopes

36 Isotopes

35 Isotopes

The early Greeks believed that matter waves was

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Discrete

Continuous

Both continuous and discrete

All of above

The particles equal in mass but greater than proton are.

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Mesons

Baryons

Leptons

Hadrons

The binding energy for_________ is maximum.

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Copper

Glass

Iron

Aluminum

Which is true for both alpha particle and gama rays.

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They cause ionization in air

They can be deflected by electric field

They can be deflected by magnetic field

The y can penetrate a few millimeters of aluminium

A positron is a particle having.

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Mass equal to electron

Charge equal to electron

Mass equal to mass of electron but charge opposite to charge of electron.

Mass equal to proton

Subatomic particles are divided into groups.

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Photon

Laptons

Hadrons

All of these

Circulation of blood is studied by radio isotope.

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Cobalt -60

Phosphorus -32

Sodium -24

Iodine -131

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