2nd Year Physics Chapter 21 Online MCQ Test for 12th Class Physics Chapter 21 (Nuclear Physics)

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Physics ICS Part 2 Chapter 21 Online MCQ's Test

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Question # 1

The charge of an alpha particle is equal to

Question # 2

One joule of energy absorbed per kilogram of a body is

Question # 3

Controlling rods inserted into the reactor are of metal:

Question # 4

Unit of decay constantλ is:

Question # 5

The force which is responsible for the breaking up of the radioactive element is.

Question # 6

Energy released by conversion of 1 amu is

Question # 7

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

Question # 8

The number of Neutron is 238U92is

Question # 9

The particles which do not experience strong force are called.

Question # 10

If the following particle have the same energy, which particle has the shortest wave length.

Question # 11

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

Question # 12

Nuclear fission was discovered by:

Question # 13

A pair of quark and anti quark makes a.

Question # 14

Two down and one up quarks make

Question # 15

Binding energy per nucleon is maximum for

Question # 16

Unit of decay constantλ is:

Question # 17

Iodine -131 is used for the treatment by

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The particles equal in mass but greater than proton are.
A. Mesons
B. Baryons
C. Leptons
D. Hadrons
2 Which particle has larger range in air.
A. Alpha rays
B. Gama rays
C. Beta rays
D. Neutron
3 X -rays are similar in nature to.
A. Gama rays
B. Beta rays
C. Alpha rays
D. Cathode rays
4 The most abundant isotope of neon is:
A. Neon 21
B. Neon 20
C. Neon 22
D. None of above
5 Low level radiations effects
A. Less of hair
B. Ulceration
C. Drop of white blood cells
D. All
6 Energy released by conversion of 1 amu is
A. 200 MeV
B. 931 MeV
C. 233 MeV
D. 243 MeV
7 The half life of radioactive elements depends upon
A. Temperature
B. Nature of element
C. Amount of the radioactive substance
D. Pressure
8 The types of quacks are.
A. 2
B. 3
C. 4
D. 6
9 Rutherford performed on experiment on a nuclear reaction in:
A. 1921
B. 1981
C. 1927
D. 1932
10 Cosmic rays consist of
A. Protons
B. High energy photons
C. Positron
D. All of above

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