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

The scientist who suggested the presence of neutron was:

Question # 2

The building blocks of protons and neutrons are called.

Question # 3

The mass spectrum of naturally occurring neon shows the most abundant isotope has atomic mass.

Question # 4

The dead time of G.M tube is.

Question # 5

The number of Neutron is 238U92is

Question # 6

Energy needed to produce an electron hole in solid state detector is.

Question # 7

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

Question # 8

For workers in nuclear facilities is, a weekly does of is normally considered safe

Question # 9

Which is true for both alpha particle and gama rays.

Question # 10

X -rays are similar in nature to.

Question # 11

Two down and one up quarks make

Question # 12

One joule of energy absorbed per kilogram of a body is

Question # 13

Half life of Uranium -239 is

Question # 14

How many neutrons are there in the nuclide Zn66?

Question # 15

A proton consists of quarks which are.

Question # 16

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

Question # 17

Which particle has larger range in air.

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Curie is unit of.
A. Conductivity
B. Binding energy
C.
Radioactivity
D. Resistivity
2 In nuclear radiation , track of alpha particle is.
A. Thin
B. Discontinuous
C. Erratic
D. Continuous
3 The charge number of Ba is.
A. 197
B. 141
C. 56
D. 85
4 The binding energy for_________ is maximum.
A. Copper
B. Glass
C. Iron
D. Aluminum
5 The types of quacks are.
A. 2
B. 3
C. 4
D. 6
6 When nitrogen is bombarded by alpha particles nitrogen nucleus changes into
A. Oxygen
B. Carbon
C. Barium
D. Helium
7 The bnding energy for nucleus A is 7.7 Me V and that for nucleus B is 7.8 MeV. Which nucleus has the larger mass?
A. Nucleas A
B. Nucleus B
C. Less than nucleus
D. None of these
8 What is difference is isotopes
A. Number of protons
B. Number of neutrons
C. Number of electrons
D. Charge number
9 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
10 When a nucleus emits alpha particle its atomic mass decreases by
A. 1
B. 2
C. 3
D. 4

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