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

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

Question # 2

Binding energy for deuteron nucleus is given by

Question # 3

The amount of energy equivalent to 1 a.m.u is

Question # 4

The radioactive decay obeys the law

Question # 5

Which of the following basic force is able to provide an attraction between two neutrons:

Question # 6

Iodine -131 is used for the treatment by

Question # 7

Marie Curie and Pierre Curie discovered.

Question # 8

Two down and one up quarks make

Question # 9

The force which is responsible for the breaking up of the radioactive element is.

Question # 10

A proton consists of quarks which are.

Question # 11

The number of protons in any atom are always equal to the number of

Question # 12

The types of quacks are.

Question # 13

Materials can be identified by measuring their

Question # 14

amu =

Question # 15

The moderator used in a nuclear reactor

Question # 16

The activity of radioactive sample

Question # 17

Various types of cancer are treated by

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The potential difference between the top and bottom of a cloud chamber is of the order of
A. 290 v
B. 400 v
C. 1 kv
D. None of above
2 Those elements whose charge number z is greater then __________ are unstable:
A. 80 
B. 79
C. 82
D. 83
3 Curie is unit of.
A. Conductivity
B. Binding energy
C.
Radioactivity
D. Resistivity
4 1 amu is equal to
A. 1.0606 x 10-27 kg
B. 1.66 x 10-31 kg
C. 1.66 x 10-34 kg
D. 1.66 x 10-19 kg
5 The early Greeks believed that matter waves was
A. Discrete
B. Continuous
C. Both continuous and discrete
D. All of above
6 Half life of radon gas is
A. 3.8 minutes
B. 3.8 days
C. 3.8 months
D. 3.8 years
7 The charge of an alpha particle is equal to
A. -e
B. +e
C. -2e
D. 2e
8 Which particle has larger range in air.
A. Alpha rays
B. Gama rays
C. Beta rays
D. Neutron
9 Subatomic particles are divided into groups.
A. Photon
B. Laptons
C. Hadrons
D. All of these
10 I amu =
A. 9.31 MeV
B. 931 MeV
C. 9.031 MeV
D. None of above

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