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

ICS Part 2 Physics
Chapter 21 Test

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Physics ICS Part 2 Chapter 21 Online MCQ's Test

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Question # 1

The quantity of U in the naturally occurring uranium is.

Question # 2

Cobalt -60 is the source for

Question # 3

Two down and one up quarks make

Question # 4

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?

Question # 5

Marie Curie and Pierre Curie discovered.

Question # 6

A proton consists of quarks which are.

Question # 7

Nuclear fission chain reaction is controlled by using.

Question # 8

A pair of quark and anti quark makes a.

Question # 9

Hydrogen bomb is an example of.

Question # 10

Gamma radiations are emitted due to:

Question # 11

The building blocks of protons and neutrons are called.

Question # 12

The background radiation to which we are exposed, on the average is.

Question # 13

Mass equivalent of 931 MeV energy is:

Question # 14

GM counter uses

Question # 15

The dead time of G.M tube is.

Question # 16

The number of Isotopes of cesium are.

Question # 17

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

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following is similar to electron.
A. Beta particle
B. Alpha particle
C. Neutron
D. Proton
2 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
3 The building blocks of protons and neutrons are called.
A. Ions
B. Electrons
C. Positrons
D. quarks
4 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
5 Absorbed Dose 'D' is defined as
A. m/E
B. E/C
C. C/m
D. E/m
6 The number of neutron present in a nucleus in a given by
A. N = A+Z
B. N = A- z
C. N = Z - A
D. N = A X Z
7 Charge on an electron was determined by
A. Ampere
B. Millikan
C. Maxwell
D. Bohr
8 The binding energy for_________ is maximum.
A. Copper
B. Glass
C. Iron
D. Aluminum
9 The most abundant isotope of neon is:
A. Neon 21
B. Neon 20
C. Neon 22
D. None of above
10 The unit of radioactivity is:
A. Bequerel
B. Henry
C. Pascal
D. Joule

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