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

Low level radiations effects

Question # 2

The SI unit of decay constant is

Question # 3

The early Greeks believed that matter waves was

Question # 4

The radio active nuclide 86Ra228 decays by a series of emissions of three alpha particles and one beta particle. The nuclide X finally formed is:

Question # 5

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

Question # 6

What is difference is isotopes

Question # 7

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

Question # 8

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

Question # 9

How many neutrons are there in the nuclide Zn66?

Question # 10

The types of quacks are.

Question # 11

X -rays are similar in nature to.

Question # 12

A particles equal or greater in mass than of protons are called.

Question # 13

Electrons are

Question # 14

Alpha particle carries a charge.

Question # 15

The mass of protons is:

Question # 16

The activity of radioactive sample

Question # 17

The building blocks of protons and neutrons are called.

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Iodine -131 is used for the treatment by
A. Bones
B. Eyes
C. thyroid glands
D. Lungs
2 The mass of beta particle is equal to mass of.
A. Protons
B. Electrons
C. Neutrons
D. Boron
3 How many neutrons are there in the nuclide Zn66?
A. 22
B. 30
C. 36
D. 66
4 The first atomic reactor was introduced by
A. Currie
B. Enrico Fermi
C. Newton
D. Bohr
5 Hydrogen bomb is an example of.
A. Nuclear fission
B. Nuclear fusion
C. Chain reaction
D. Chemical reaction
6 If the following particle have the same energy, which particle has the shortest wave length.
A. alpha particle
B. Neutron
C. Beta particle
D. Proton
7 Which of the following are not hadrons.
A. Muons
B. Mesons
C. Positrons
D. Neutrons
8 The dead time of G.M tube is.
A. 10-1 sec
B. 10-6sec
C. 10-4sec
D. 10-8sec
9 Which of the following is similar to electron.
A. Beta particle
B. Alpha particle
C. Neutron
D. Proton
10 When gama rays are emitted, the nuclear mass.
A. Decreases by 4 units
B. Does not change
C. Increases by 2 units
D. Increase by 1 unit

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