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 mass of beta particle is equal to mass of.

Question # 2

Energy released by conversion of 1 amu is

Question # 3

The moderator used in a nuclear reactor

Question # 4

Both xenon and caesium each have:

Question # 5

The place for soring the nuclear waste is

Question # 6

The energy equivalent of 1 kg of matter is about:

Question # 7

Half life of Uranium -239 is

Question # 8

Low level radiations effects

Question # 9

Marie Curie and Pierre Curie discovered.

Question # 10

Mass equivalent of 931 MeV energy is:

Question # 11

I amu =

Question # 12

The reciprocal of decay construct lamda of a radioactive element is.

Question # 13

Materials can be identified by measuring their

Question # 14

The mass of proton in amu is:

Question # 15

Which one of the following is not affected by electric or magnetic field.

Question # 16

Both Xenon and cesium have

Question # 17

The charge on Beta particle is

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Mass of meason is
A. Greater then proton
B. Less than proton
C. Equal to proton
D. Equal to neutron
2 Nuclear fission chain reaction is controlled by using.
A. Cadmium rods
B. Iron rods
C. Platinum rods
D. Steel rods
3 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
4 Various types of cancer are treated by
A. Carbon -14
B. Nickel -63
C. Cobalt -60
D. Strontium -90
5 Which is true for both alpha particle and gama rays.
A. They cause ionization in air
B. They can be deflected by electric field
C. They can be deflected by magnetic field
D. The y can penetrate a few millimeters of aluminium
6 The place for soring the nuclear waste is
A. Ocean
B. Damping in earth
C. Damping in desert
D. Bottom of old salt mines
7 Cosmic rays consist of
A. Protons
B. High energy photons
C. Positron
D. All of above
8 Unit of decay constantλ is:
A. ms
B. m-1
C. m
D. S-1
9 The mass of beta particle is equal to the mass
A. Proton
B. Neutron
C. Electron
D. Photon
10 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

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