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

Charge on an electron was determined by

Question # 2

What is difference is isotopes

Question # 3

The quantity of U in the naturally occurring uranium is.

Question # 4

The half life of radioactive elements depends upon

Question # 5

The energy equivalent of 1 kg of matter is about:

Question # 6

The particles equal in mass but greater than proton are.

Question # 7

Radioactivity happen due to the disintegration of

Question # 8

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

Question # 9

By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by

Question # 10

Absorbed Dose 'D' is defined as

Question # 11

When nitrogen is bombarded by alpha particles nitrogen nucleus changes into

Question # 12

The Unit of decay constant.

Question # 13

Binding energy per nucleon is maximum for

Question # 14

Mass equivalent of 931 MeV energy is:

Question # 15

The radioactive decay obeys the law

Question # 16

The number of neutron present in a nucleus in a given by

Question # 17

Nuclear fission chain reaction is controlled by using.

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Hydrogen bomb is an example of.
A. Nuclear fission
B. Nuclear fusion
C. Chain reaction
D. Chemical reaction
2 When a nucleus emits alpha particle its atomic mass decreases by
A. 1
B. 2
C. 3
D. 4
3 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
4 Half life of Uranium -239 is
A. 26.5 minutes
B. 24.5 minutes
C. 25.5 minutes
D. 23.5 minutes
5 For workers in nuclear facilities is, a weekly does of is normally considered safe
A. 1.0 msv
B. 5.0 msv
C. 2.0 msv
D. 3.0 msv
6 The mass of beta particle is equal to the mass
A. Proton
B. Neutron
C. Electron
D. Photon
7 Unit of decay constantλ is:
A. ms
B. m-1
C. m
D. S-1
8 A device that shows the visible path of ionizing particle is called.
A. GM counter
B. Solid state detector
C. Scalar
D. Wilson cloud chamber
9 The radioactive decay obeys the law
10 Binding energy per nucleus for uranium is above:
A. 6.7 Mev
B. 7.7 Mev
C. 6.9 MeV
D. 7.9 MeV

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