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

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Physics ICS Part 2 Chapter 21 Online MCQ's Test

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Question # 1

The number of Neutron is 238U92is

Question # 2

Binding energy for deuteron nucleus is given by

Question # 3

In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is

Question # 4

The place for soring the nuclear waste is

Question # 5

The scientist who suggested the presence of neutron was:

Question # 6

The mass of beta particle is equal to the mass

Question # 7

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

Question # 8

The charge of an alpha particle is equal to

Question # 9

A positron is a particle having.

Question # 10

Charge on an electron was determined by

Question # 11

The charge number of Ba is.

Question # 12

Cosmic rays consist of

Question # 13

The dead time of G.M tube is.

Question # 14

Curie is unit of.

Question # 15

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

Question # 16

Circulation of blood is studied by radio isotope.

Question # 17

The moderator used in a nuclear reactor

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 X -rays are similar in nature to.
A. Gama rays
B. Beta rays
C. Alpha rays
D. Cathode rays
2 The number of Isotopes of cesium are.
A. 4
B. 32
C. 22
D. 36
3 The mass of protons is:
A. 1.675 x 10-27 kg
B. 1.693 x 10-27 kg
C. 1.673 x 10-31 kg
D. 1.673 x 10-27 kg 
4 How many times, the alpha particle is more massive than electrons.
A. 6332
B. 7332
C. 8332
D. 9332
5 Subatomic particles are divided into groups.
A. Photon
B. Laptons
C. Hadrons
D. All of these
6 Half life of radon gas is
A. 3.8 minutes
B. 3.8 days
C. 3.8 months
D. 3.8 years
7 I amu =
A. 9.31 MeV
B. 931 MeV
C. 9.031 MeV
D. None of above
8 The mass of proton in amu is:
A. 1.07276
B. 1.7276
C. 1.007276
D. 1.0007276
9 The mass spectrum of naturally occurring neon shows the most abundant isotope has atomic mass.
A. 19
B. 20
C. 21
D. 22
10 The moderator used in a nuclear reactor
A. Sodium
B. Uranium
C. Graphite
D. Cadmium

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