Second Year Physics Chapter 21 Online MCQ Test for 2nd Year Physics Chapter 21 Nuclear Physics Preparation

FSC Part 2 Physics
Chapter 21 Test

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Physics FSC Part 2 Chapter 21 Online MCQ's Test

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Question # 1

The number of neutrons in Li are

Question # 2

Unit of decay constantλ is:

Question # 3

Nuclear fission was discovered by:

Question # 4

Circulation of blood is studied by radio isotope.

Question # 5

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

Question # 6

The energy of photon for photoelectric effect is less than

Question # 7

There is no charge in A and Z of any radioactive element by the emission of.

Question # 8

Electrons are

Question # 9

The charge of an alpha particle is equal to

Question # 10

Which is true for both alpha particle and gama rays.

Question # 11

A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:

Question # 12

The total charge of any nucleus is:

Question # 13

Which one of the following is not affected by electric or magnetic field.

Question # 14

The binding energy for_________ is maximum.

Question # 15

Cobalt -60 is the source for

Question # 16

The SI unit of decay constant is

Question # 17

Two up quarks and one down quarks makes a

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by
A. N
B. N/2
C. N/4
D. 3N/4
2 Those elements whose charge number z is greater then __________ are unstable:
A. 80 
B. 79
C. 82
D. 83
3 I amu =
A. 9.31 MeV
B. 931 MeV
C. 9.031 MeV
D. None of above
4 Energy released by conversion of 1 amu is
A. 200 MeV
B. 931 MeV
C. 233 MeV
D. 243 MeV
5 GM counter uses
A. Alcohol only
B. Bromine
C. argon
D. Neon and bromine
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 Electrons are
A. Hadrons
B. Laptons
C. Quarks
D. Baryons
8 Which of the following is typical source of alpha particle.
A. Strontium -94
B. Radon -222
C. Cobalt -60
D. Zic sulphate
9 When nitrogen is bombarded by alpha particles nitrogen nucleus changes into
A. Oxygen
B. Carbon
C. Barium
D. Helium
10 Cobalt -60 is the source for
A. Alpha rays
B. Gama rays
C. Beta rays
D. Neutron

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