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

amu =

Question # 2

Which is true for both alpha particle and gama rays.

Question # 3

Half life of Uranium -239 is

Question # 4

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

Question # 5

The SI unit of decay constant is

Question # 6

In nuclear radiation , track of alpha particle is.

Question # 7

Binding energy per nucleon is maximum for

Question # 8

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

Question # 9

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

Question # 10

How many times, the alpha particle is more massive than electrons.

Question # 11

Mass of meason is

Question # 12

The Unit of decay constant.

Question # 13

Curie is unit of.

Question # 14

Unit of decay constantλ is:

Question # 15

Controlling rods inserted into the reactor are of metal:

Question # 16

Various types of cancer are treated by

Question # 17

Electrons are

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The SI unit of decay constant is
A. m
B. m-1
C. S-1
D. Nm-1
2 The mass spectrum of naturally occurring neon, showing
A. 1 isotope
B. 2 isotope
C. 3 isotope
D. 4 isotope
3 A radio active substance has a half life of four months. 3 -fourth of the substance will decay in:
A. 6 months
B. 8 months
C. 12 months
D. 16 months
4 Both Xenon and cesium have
A. 33 isotopes
B. 34 Isotopes
C. 36 Isotopes
D. 35 Isotopes
5 James chadwick discovered:
A. Proton
B. Positron
C. Neutron
D. Electron
6 Curie is unit of.
A. Conductivity
B. Binding energy
C.
Radioactivity
D. Resistivity
7 When nitrogen is bombarded by alpha particles nitrogen nucleus changes into
A. Oxygen
B. Carbon
C. Barium
D. Helium
8 The energy equivalent of 1 kg of matter is about:
A. 10-15 J
B. 1 J
C. 10-12J
D. 10-17J
9 The amount of energy equivalent to 1 a.m.u is
A. 931.5 MeV
B. 93.15 MeV
C. 9.315 MeV
D. 2.224 MeV
10 Binding energy per nucleus for uranium is above:
A. 6.7 Mev
B. 7.7 Mev
C. 6.9 MeV
D. 7.9 MeV

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