2nd Year Physics Chapter 21 Online MCQ Test for 12th Class Physics Chapter 21 (Nuclear Physics)

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

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Question # 1

The SI unit of decay constant is

Question # 2

The types of quacks are.

Question # 3

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

Question # 4

The building blocks of protons and neutrons are called.

Question # 5

The binding energy per nucleon is maximum for

Question # 6

The number of Neutron is 238U92is

Question # 7

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

Question # 8

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

Question # 9

The mass of beta particle is equal to the mass

Question # 10

The particles equal in mass but greater than proton are.

Question # 11

Marie Curie and Pierre Curie discovered.

Question # 12

The number of Isotopes of cesium are.

Question # 13

One joule of energy absorbed per kilogram of a body is

Question # 14

Curie is unit of.

Question # 15

A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:

Question # 16

The half life of radioactive elements depends upon

Question # 17

Hydrogen bomb is an example of.

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following is similar to electron.
A. Beta particle
B. Alpha particle
C. Neutron
D. Proton
2 Marie Curie and Pierre Curie discovered.
A. Uranium
B. Uranium and Radium
C. Polonium and radium
D. Radium
3 The charge of an alpha particle is equal to
A. -e
B. +e
C. -2e
D. 2e
4 GM counter uses
A. Alcohol only
B. Bromine
C. argon
D. Neon and bromine
5 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
6 What is difference is isotopes
A. Number of protons
B. Number of neutrons
C. Number of electrons
D. Charge number
7 The SI unit of decay constant is
A. m
B. m-1
C. S-1
D. Nm-1
8 The force which is responsible for the breaking up of the radioactive element is.
A. Weak nuclear force
B. Strong nuclear force
C. Electromagnetic force
D. Gravitational force
9 Which one belongs to lepton's group
A. Electron
B.
Muons
C. Neutrons
D. All of these
10 Nuclear fission chain reaction is controlled by using.
A. Cadmium rods
B. Iron rods
C. Platinum rods
D. Steel rods

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