2nd Year Physics Chapter 21 Online MCQ Test for 12th Class Physics Chapter 21 (Nuclear Physics)

ICS Part 2 Physics
Chapter 21 Test

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Physics ICS Part 2 Chapter 21 Online MCQ's Test

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Question # 1

Electrons are

Question # 2

Unit of decay constantλ is:

Question # 3

1 gray is equal to.

Question # 4

Gamma radiations are emitted due to:

Question # 5

Energy needed to produce an electron hole in solid state detector is.

Question # 6

The mass of beta particle is equal to the mass

Question # 7

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

Question # 8

The energy of photon for photoelectric effect is less than

Question # 9

Half life of radon gas is

Question # 10

The number of neutron present in a nucleus in a given by

Question # 11

The unit of radioactivity is:

Question # 12

Binding energy for deuteron nucleus is given by

Question # 13

The mass of proton in amu is:

Question # 14

Cosmic rays consist of

Question # 15

Bottom quark carries charge :

Question # 16

The mass spectrum of naturally occurring neon shows the most abundant isotope has atomic mass.

Question # 17

Circulation of blood is studied by radio isotope.

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ICS Part 2 Physics Chapter 21 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Cosmic rays consist of
A. Protons
B. High energy photons
C. Positron
D. All of above
2 Before and after nuclear reaction the number of protons and neutrons:
A. Must be different 
B. Must be decreased
C. Must be increased
D. Remains same
3 When a nucleus emits alpha particle its atomic mass decreases by
A. 1
B. 2
C. 3
D. 4
4 The Unit of decay constant.
A. Second
B. (second)-1
C. m-1
D. mk
5 Circulation of blood is studied by radio isotope.
A. Cobalt -60
B. Phosphorus -32
C. Sodium -24
D. Iodine -131
6 Binding energy for deuteron nucleus is given by
A. 2.8 MeV
B. 2.23 MeV
C. 2.28 MeV
D. 2.25 MeV
7 Both Xenon and cesium have
A. 33 isotopes
B. 34 Isotopes
C. 36 Isotopes
D. 35 Isotopes
8 The scientist who suggested the presence of neutron was:
A. Bohr
B. Rutherford
C. Chadwick
D. J.J Thomson
9 The particles which do not experience strong force are called.
A. Baryons
B. Hadrons
C. Mesons
D. Laptons
10 The energy of photon for photoelectric effect is less than
A. 1 MeV
B. 2 MeV
C. 5 MeV
D. 8 MeV

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  • Faiz imran

    Faiz imran

    30 Jun 2019

    Mcqs

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