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

FSC Part 2 Physics
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Physics FSC Part 2 Chapter 21 Online MCQ's Test

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Question # 1

Gamma radiations are emitted due to:

Question # 2

If the following particle have the same energy, which particle has the shortest wave length.

Question # 3

The number of Neutron is 238U92is

Question # 4

James chadwick discovered:

Question # 5

Which of the following is similar to electron.

Question # 6

For workers in nuclear facilities is, a weekly does of is normally considered safe

Question # 7

amu =

Question # 8

The Unit of decay constant.

Question # 9

Half life of Uranium -239 is

Question # 10

The binding energy for_________ is maximum.

Question # 11

In Wilson cloud chamber, ß-particles leave

Question # 12

The charge on Beta particle is

Question # 13

The energy equivalent of 1 kg of matter is about:

Question # 14

Electrons are

Question # 15

The dead time of G.M tube is.

Question # 16

Subatomic particles are divided into groups.

Question # 17

The mass of proton in amu is:

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Mass of meason is
A. Greater then proton
B. Less than proton
C. Equal to proton
D. Equal to neutron
2 The mass of beta particle is equal to mass of.
A. Protons
B. Electrons
C. Neutrons
D. Boron
3 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
4 Radioactivity happen due to the disintegration of
A. Nucleus
B. Mass
C. Electrons
D. Protons
5 Nuclear fission was discovered by:
A. Otto Hahn
B. Friz strassmann
C. Both a and b
D. Michaelson
6 Energy needed to produce an electron hole in solid state detector is.
A. 1 to 2 eV
B. 3 to 4 eV
C. 6 to 7 eV
D. 8 to 9 eV
7 The energy equivalent of 1 kg of matter is about:
A. 10-15 J
B. 1 J
C. 10-12J
D. 10-17J
8 Iodine -131 is used for the treatment by
A. Bones
B. Eyes
C. thyroid glands
D. Lungs
9 When a nucleus emits an alpha particle, its atomic mass decreases by
A. 1
B. 2
C. 3
D. 4
10 The binding energy for_________ is maximum.
A. Copper
B. Glass
C. Iron
D. Aluminum

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