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21th Chapter

12th Class Physics Chapter 21 Test

Here you can prepare 12th Class Physics Chapter 21 Test. Click the button for 100% free full practice test.

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

This online test contains MCQs about following topics:

- Atomic Nucleus
- Mass Defect and Binding Energy
- Radioactivity
- Half Life
- Interaction of Radiation With Matter
- Radiation Detectors
- Nuclear Reactions
- Nuclear Fission
- Fusion Reaction
- Radiation Exposure
- Biological Effects of Radiation
- Biological and Medical Uses of Radiation
- Basic Forces of Nature
- Building Blocks of Matter

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

Sr. # Questions Answers Choice
1 Hydrogen bomb is an example of.
  • A. Nuclear fission
  • B. Nuclear fusion
  • C. Chain reaction
  • D. Chemical reaction
2 Both Xenon and cesium have
  • A. 33 isotopes
  • B. 34 Isotopes
  • C. 36 Isotopes
  • D. 35 Isotopes
3 The moderator used in a nuclear reactor
  • A. Sodium
  • B. Uranium
  • C. Graphite
  • D. Cadmium
4 Unit of decay constant<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">λ is:</span>
  • A. ms
  • B. m<sup>-1</sup>
  • C. m
  • D. S<sup>-1</sup>
5 A positron is a particle having.
  • A. Mass equal to electron
  • B. Charge equal to electron
  • C. Mass equal to mass of electron but charge opposite to charge of electron.
  • D. Mass equal to proton
6 The number of Isotopes of cesium are.
  • A. 4
  • B. 32
  • C. 22
  • D. 36
7 Gamma radiations are emitted due to:
  • A. De-excitation of atom
  • B. De-excitation of nucleus
  • C. Excitation of atom
  • D. Excitation of nucleus
8 Various types of cancer are treated by
  • A. Carbon -14
  • B. Nickel -63
  • C. Cobalt -60
  • D. Strontium -90
9 The number of protons in any atom are always equal to the number of
  • A. Neutrons
  • B. Electrons
  • C. Positrons
  • D. Mesoris
10 Energy needed to produce an electron hole in solid state detector is.
  • A. 1 to 2 eV
  • B. 3 to 4 eV
  • C. 6 to 7 eV
  • D. 8 to 9 eV

Top Scorers of Ics Part 2 Physics Chapter 10 Test Online

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17/17
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13/17
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Hassan Tahir

Lahore06 - Dec - 2023

10/17
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    Guest User

    23 Mar 2020

    good

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  • F

    Faiz Imran

    30 Jun 2019

    Mcqs

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