Question # 1

Binding energy per nucleus for uranium is above:

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6.7 Mev

7.7 Mev

6.9 MeV

7.9 MeV

The half life of radioactive elements depends upon

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Temperature

Nature of element

Amount of the radioactive substance

Pressure

The place for soring the nuclear waste is

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Ocean

Damping in earth

Damping in desert

Bottom of old salt mines

Electrons are

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Hadrons

Laptons

Quarks

Baryons

The mass of proton in amu is:

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1.07276

1.7276

1.007276

1.0007276

A proton consists of quarks which are.

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Two up, one down

One up, two down

All up

All down

How many times, the alpha particle is more massive than electrons.

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6332

7332

8332

9332

The charge number of Ba is.

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197

141

56

85

The number of neutrons in Li are

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2

3

4

7

The mass of beta particle is equal to mass of.

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Protons

Electrons

Neutrons

Boron

Rutherford performed on experiment on a nuclear reaction in:

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1921

1981

1927

1932

1 amu is equal to

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1.0606 x 10^-27 kg

1.66 x 10^-31 kg

1.66 x 10^-34 kg

1.66 x 10^-19 kg

Gamma rays from cobalt -60 are used for treatment of.

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Circulation of blood

Cancer

Heart Attack

Thyroid glands

The scientist who suggested the presence of neutron was:

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Bohr

Rutherford

Chadwick

J.J Thomson

Those elements whose charge number z is greater then __________ are unstable:

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80

79

82

83

The number of Neutron is²³⁸U₉₂is

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92

238

146

330

How many neutrons are there in the nuclide Zn⁶⁶?

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22

30

36

66

The first atomic reactor was introduced by

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Currie

Enrico Fermi

Newton

Bohr

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Physics ICS Part 2 Chapter 21 Online MCQ's Test MCQs With Answers

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