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

FSC Part 2 Physics
Chapter 21 Test

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Physics FSC Part 2 Chapter 21 Online MCQ's Test

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Question # 1

The potential difference between the top and bottom of a cloud chamber is of the order of

Question # 2

The scientist who suggested the presence of neutron was:

Question # 3

Both xenon and caesium each have:

Question # 4

The charge number of Ba is.

Question # 5

How many neutrons are there in the nuclide Zn66?

Question # 6

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

Question # 7

Two down and one up quarks make

Question # 8

A proton consists of quarks which are.

Question # 9

Binding energy per nucleon is maximum for

Question # 10

The quantity of U in the naturally occurring uranium is.

Question # 11

When a nucleus emits an alpha particle, its atomic mass decreases by

Question # 12

Which of the following are not hadrons.

Question # 13

The particles which do not experience strong force are called.

Question # 14

Which of the following is typical source of alpha particle.

Question # 15

The radioactive decay obeys the law

Question # 16

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

Question # 17

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:

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Half life of radon gas is
A. 3.8 minutes
B. 3.8 days
C. 3.8 months
D. 3.8 years
2 The first atomic reactor was introduced by
A. Currie
B. Enrico Fermi
C. Newton
D. Bohr
3 One joule of energy absorbed per kilogram of a body is
A. Roentgen
B. Grey
C. Rem
D. Curie
4 The Unit of decay constant.
A. Second
B. (second)-1
C. m-1
D. mk
5 The types of quacks are.
A. 2
B. 3
C. 4
D. 6
6 The mass of beta particle is equal to the mass
A. Proton
B. Neutron
C. Electron
D. Photon
7 The mass spectrum of naturally occurring neon, showing
A. 1 isotope
B. 2 isotope
C. 3 isotope
D. 4 isotope
8 The most abundant isotope of neon is:
A. Neon 21
B. Neon 20
C. Neon 22
D. None of above
9 Subatomic particles are divided into groups.
A. Photon
B. Laptons
C. Hadrons
D. All of these
10 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

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