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

Hydrogen bomb is an example of.

Question # 2

Cobalt -60 is the source for

Question # 3

The amount of energy equivalent to 1 a.m.u is

Question # 4

The Unit of decay constant.

Question # 5

Unit of decay constantλ is:

Question # 6

Before and after nuclear reaction the number of protons and neutrons:

Question # 7

One joule of energy absorbed per kilogram of a body is

Question # 8

The most abundant isotope of neon is:

Question # 9

A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:

Question # 10

Binding energy for deuteron nucleus is given by

Question # 11

Charge on an electron was determined by

Question # 12

Nuclear fission chain reaction is controlled by using.

Question # 13

The energy of photon for photoelectric effect is less than

Question # 14

1 gray is equal to.

Question # 15

Alpha particle carries a charge.

Question # 16

The binding energy for_________ is maximum.

Question # 17

The mass of protons is:

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 Which particle has larger range in air.
A. Alpha rays
B. Gama rays
C. Beta rays
D. Neutron
3 The energy equivalent of 1 kg of matter is about:
A. 10-15 J
B. 1 J
C. 10-12J
D. 10-17J
4 Energy released by conversion of 1 amu is
A. 200 MeV
B. 931 MeV
C. 233 MeV
D. 243 MeV
5 Unit of decay constantλ is:
A. ms
B. m-1
C. m
D. S-1
6 For workers in nuclear facilities is, a weekly does of is normally considered safe
A. 1.0 msv
B. 5.0 msv
C. 2.0 msv
D. 3.0 msv
7 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
8 Which is true for both alpha particle and gama rays.
A. They cause ionization in air
B. They can be deflected by electric field
C. They can be deflected by magnetic field
D. The y can penetrate a few millimeters of aluminium
9 The types of quacks are.
A. 2
B. 3
C. 4
D. 6
10 There is no charge in A and Z of any radioactive element by the emission of.
A. Alpha particle
B. Beta particle
C. Gama particle
D. X- rays

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