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

Both Xenon and cesium have

Question # 2

1 amu is equal to

Question # 3

Unit of decay constantλ is:

Question # 4

A particles equal or greater in mass than of protons are called.

Question # 5

The radioactive decay obeys the law

Question # 6

The most abundant isotope of neon is:

Question # 7

Number of Isotopes of Neon gas are

Question # 8

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

Question # 9

The moderator used in a nuclear reactor

Question # 10

The charge of an alpha particle is equal to

Question # 11

1 gray is equal to.

Question # 12

The first atomic reactor was introduced by

Question # 13

The binding energy per nucleon is maximum for

Question # 14

The mass of beta particle is equal to mass of.

Question # 15

The number of neutrons in Li are

Question # 16

When a nucleus emits alpha particle its atomic mass decreases by

Question # 17

Half life of Uranium -239 is

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Unit of decay constantλ is:
A. ms
B. m-1
C. m
D. S-1
2 Various types of cancer are treated by
A. Carbon -14
B. Nickel -63
C. Cobalt -60
D. Strontium -90
3 Gamma radiations are emitted due to:
A. De-excitation of atom
B. De-excitation of nucleus
C. Excitation of atom
D. Excitation of nucleus
4 Energy released by conversion of 1 amu is
A. 200 MeV
B. 931 MeV
C. 233 MeV
D. 243 MeV
5 The Unit of decay constant.
A. Second
B. (second)-1
C. m-1
D. mk
6 A proton consists of quarks which are.
A. Two up, one down
B. One up, two down
C. All up
D. All down
7 The particles equal in mass but greater than proton are.
A. Mesons
B. Baryons
C. Leptons
D. Hadrons
8 The unit of radioactivity is:
A. Bequerel
B. Henry
C. Pascal
D. Joule
9 Low level radiations effects
A. Less of hair
B. Ulceration
C. Drop of white blood cells
D. All
10 Mass equivalent of 931 MeV energy is:
A. 6.02 x 10-23 kg
B. 1.766 x 10-27kg
C. 2.67 x 10-29kg
D. 6.02 x 10-87kg

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