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

The number of neutrons in Li are

Question # 2

Charge on an electron was determined by

Question # 3

Half life of Uranium -239 is

Question # 4

A pair of quark and anti quark makes a.

Question # 5

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

Question # 6

James chadwick discovered:

Question # 7

amu =

Question # 8

The moderator used in a nuclear reactor

Question # 9

The particles equal in mass but greater than proton are.

Question # 10

Number of Isotopes of Neon gas are

Question # 11

The energy equivalent of 1 kg of matter is about:

Question # 12

Mass equivalent of 931 MeV energy is:

Question # 13

Which pair belongs to hadrons.

Question # 14

The mass of proton in amu is:

Question # 15

The SI unit of decay constant is

Question # 16

The number of neutron present in a nucleus in a given by

Question # 17

Energy released by conversion of 1 amu is

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The number of Neutron is 238U92is
A. 92
B. 238
C. 146
D. 330
2 The energy equivalent of 1 kg of matter is about:
A. 10-15 J
B. 1 J
C. 10-12J
D. 10-17J
3 The energy of photon for photoelectric effect is less than
A. 1 MeV
B. 2 MeV
C. 5 MeV
D. 8 MeV
4 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
5 The Unit of decay constant.
A. Second
B. (second)-1
C. m-1
D. mk
6 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
7 Both xenon and caesium each have:
A. 41 isotopes
B. 36 isotopes
C. 43 isotopes 
D. 33 isotopes
8 Alpha particle carries a charge.
A. -e
B. +2e
C. -2e
D. No charge
9 Which one belongs to lepton's group
A. Electron
B.
Muons
C. Neutrons
D. All of these
10 If the following particle have the same energy, which particle has the shortest wave length.
A. alpha particle
B. Neutron
C. Beta particle
D. Proton

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