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

Alpha particle carries a charge.

Question # 2

The Unit of decay constant.

Question # 3

1 gray is equal to.

Question # 4

The dead time of G.M tube is.

Question # 5

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 # 6

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

Question # 7

The charge on Beta particle is

Question # 8

Bottom quark carries charge :

Question # 9

When nitrogen is bombarded by alpha particles nitrogen nucleus changes into

Question # 10

Iodine -131 is used for the treatment by

Question # 11

Marie Curie and Pierre Curie discovered.

Question # 12

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

Question # 13

Which pair belongs to hadrons.

Question # 14

Which is true for both alpha particle and gama rays.

Question # 15

The building blocks of protons and neutrons are called.

Question # 16

A proton consists of quarks which are.

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 The early Greeks believed that matter waves was
A. Discrete
B. Continuous
C. Both continuous and discrete
D. All of above
2 The most abundant isotope of neon is:
A. Neon 21
B. Neon 20
C. Neon 22
D. None of above
3 Which of the following is typical source of alpha particle.
A. Strontium -94
B. Radon -222
C. Cobalt -60
D. Zic sulphate
4 Two up quarks and one down quarks makes a
A. Proton
B. Newton
C. Photon
D. Meson
5 Those elements whose charge number z is greater then __________ are unstable:
A. 80 
B. 79
C. 82
D. 83
6 Half life of Uranium -239 is
A. 26.5 minutes
B. 24.5 minutes
C. 25.5 minutes
D. 23.5 minutes
7 amu =
A. 1.06 x 10-27 kg
B. 1.6606 x 10-27 kg 
C. 1.520 x 10-21 kg
D. 1.6606 x 10-31 kg
8 A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:
A. 6 months
B. 8 months
C. 12 months
D. 16 months
9 The binding energy per nucleon is maximum for
A. Helium
B. Iron
C. Potassium
D. Radium
10 GM counter uses
A. Alcohol only
B. Bromine
C. argon
D. Neon and bromine

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