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 scientist who suggested the presence of neutron was:

Question # 2

The number of Neutron is 238U92is

Question # 3

Iodine -131 is used for the treatment by

Question # 4

Mass of meason is

Question # 5

Energy released by conversion of 1 amu is

Question # 6

The types of quacks are.

Question # 7

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:

Question # 8

In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is

Question # 9

The dead time of G.M tube is.

Question # 10

Gamma rays from cobalt -60 are used for treatment of.

Question # 11

The building blocks of protons and neutrons are called.

Question # 12

A proton consists of quarks which are.

Question # 13

Which of the following basic force is able to provide an attraction between two neutrons:

Question # 14

When nitrogen is bombarded by alpha particles nitrogen nucleus changes into

Question # 15

The background radiation to which we are exposed, on the average is.

Question # 16

I amu =

Question # 17

The mass spectrum of naturally occurring neon, showing

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Curie is unit of.
A. Conductivity
B. Binding energy
C.
Radioactivity
D. Resistivity
2 Nuclear fission was discovered by:
A. Otto Hahn
B. Friz strassmann
C. Both a and b
D. Michaelson
3 A positron is a particle having.
A. Mass equal to electron
B. Charge equal to electron
C. Mass equal to mass of electron but charge opposite to charge of electron.
D. Mass equal to proton
4 In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is
A. a-particles
B. ß-particles
C. Y-rays
D. All
5 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
6 The mass of protons is:
A. 1.675 x 10-27 kg
B. 1.693 x 10-27 kg
C. 1.673 x 10-31 kg
D. 1.673 x 10-27 kg 
7 Materials can be identified by measuring their
A. Mass
B. Half life
C. Both a and b
D. None of a,b,c
8 Gamma rays from cobalt -60 are used for treatment of.
A. Circulation of blood
B. Cancer
C. Heart Attack
D. Thyroid glands
9 Which pair belongs to hadrons.
A. Protons and Neutrons
B. Neutrons and electrons
C. Photons and electrons
D. positrons and electrons
10 When gama rays are emitted, the nuclear mass.
A. Decreases by 4 units
B. Does not change
C. Increases by 2 units
D. Increase by 1 unit

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