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

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

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Question # 1

Electrons are

Question # 2

Both Xenon and cesium have

Question # 3

The mass of beta particle is equal to mass of.

Question # 4

The number of neutrons in Li are

Question # 5

Energy released by conversion of 1 amu is

Question # 6

amu =

Question # 7

The most useful tracer is.

Question # 8

Nuclear fission chain reaction is controlled by using.

Question # 9

Various types of cancer are treated by

Question # 10

Subatomic particles are divided into groups.

Question # 11

Iodine -131 is used for the treatment by

Question # 12

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

Question # 13

Half life of Uranium -239 is

Question # 14

The SI unit of decay constant is

Question # 15

What is difference is isotopes

Question # 16

Which is true for both alpha particle and gama rays.

Question # 17

Gamma radiations are emitted due to:

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Two down and one up quarks make
A. Proton
B. Neutron
C. photon
D. Positron
2 Absorbed Dose 'D' is defined as
A. m/E
B. E/C
C. C/m
D. E/m
3 The unit of radioactivity is:
A. Bequerel
B. Henry
C. Pascal
D. Joule
4 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
5 Mass of meason is
A. Greater then proton
B. Less than proton
C. Equal to proton
D. Equal to neutron
6 The mass spectrum of naturally occurring neon shows the most abundant isotope has atomic mass.
A. 19
B. 20
C. 21
D. 22
7 Binding energy per nucleus for uranium is above:
A. 6.7 Mev
B. 7.7 Mev
C. 6.9 MeV
D. 7.9 MeV
8 GM counter uses
A. Alcohol only
B. Bromine
C. argon
D. Neon and bromine
9 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
10 Two up quarks and one down quarks makes a
A. Proton
B. Newton
C. Photon
D. Meson

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