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

One joule of energy absorbed per kilogram of a body is

Question # 2

Radioactivity happen due to the disintegration of

Question # 3

In Wilson cloud chamber, ß-particles leave

Question # 4

The total charge of any nucleus is:

Question # 5

Cobalt -60 is the source for

Question # 6

Alpha particle carries a charge.

Question # 7

There is no charge in A and Z of any radioactive element by the emission of.

Question # 8

A pair of quark and anti quark makes a.

Question # 9

I amu =

Question # 10

Cosmic rays consist of

Question # 11

The charge on Beta particle is

Question # 12

The early Greeks believed that matter waves was

Question # 13

The Unit of decay constant.

Question # 14

The dead time of G.M tube is.

Question # 15

In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is

Question # 16

Both xenon and caesium each have:

Question # 17

The binding energy per nucleon is maximum for

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ICS Part 2 Physics Chapter 21 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The charge number of Ba is.
A. 197
B. 141
C. 56
D. 85
2 The unit of radioactivity is:
A. Bequerel
B. Henry
C. Pascal
D. Joule
3 Which of the following are not hadrons.
A. Muons
B. Mesons
C. Positrons
D. Neutrons
4 Materials can be identified by measuring their
A. Mass
B. Half life
C. Both a and b
D. None of a,b,c
5 The binding energy for_________ is maximum.
A. Copper
B. Glass
C. Iron
D. Aluminum
6 Unit of decay constantλ is:
A. ms
B. m-1
C. m
D. S-1
7 The early Greeks believed that matter waves was
A. Discrete
B. Continuous
C. Both continuous and discrete
D. All of above
8 Those elements whose charge number z is greater then __________ are unstable:
A. 80 
B. 79
C. 82
D. 83
9 Number of Isotopes of Neon gas are
A. 2
B. 3
C. 4
D. 1
10 The mass of beta particle is equal to the mass
A. Proton
B. Neutron
C. Electron
D. Photon

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