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

The scientist who suggested the presence of neutron was:

Question # 2

The mass of proton in amu is:

Question # 3

Those elements whose charge number z is greater then __________ are unstable:

Question # 4

In nuclear radiation , track of alpha particle is.

Question # 5

Which one belongs to lepton's group

Question # 6

Mass of meason is

Question # 7

The building blocks of protons and neutrons are called.

Question # 8

amu =

Question # 9

Both xenon and caesium each have:

Question # 10

The unit of radioactivity is:

Question # 11

GM counter uses

Question # 12

Rutherford performed on experiment on a nuclear reaction in:

Question # 13

Marie Curie and Pierre Curie discovered.

Question # 14

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

Question # 15

Nuclear fission was discovered by:

Question # 16

Electrons are

Question # 17

The first atomic reactor was introduced by

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ICS Part 2 Physics Chapter 21 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Binding energy per nucleus for uranium is above:
A. 6.7 Mev
B. 7.7 Mev
C. 6.9 MeV
D. 7.9 MeV
2 The number of Neutron is 238U92is
A. 92
B. 238
C. 146
D. 330
3 There is no charge in A and Z of any radioactive element by the emission of.
A. Alpha particle
B. Beta particle
C. Gama particle
D. X- rays
4 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
5 Half life of radon gas is
A. 3.8 minutes
B. 3.8 days
C. 3.8 months
D. 3.8 years
6 Cosmic rays consist of
A. Protons
B. High energy photons
C. Positron
D. All of above
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 Nuclear fission chain reaction is controlled by using.
A. Cadmium rods
B. Iron rods
C. Platinum rods
D. Steel rods
9 Energy released by conversion of 1 amu is
A. 200 MeV
B. 931 MeV
C. 233 MeV
D. 243 MeV
10 The SI unit of decay constant is
A. m
B. m-1
C. S-1
D. Nm-1

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  • Faiz imran

    Faiz imran

    30 Jun 2019

    Mcqs

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