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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
ic

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

Sr. # Questions Answers Choice
1 The potential difference between the top and bottom of a cloud chamber is of the order of
  • A. 290 v
  • B. 400 v
  • C. 1 kv
  • D. None of above
2 A proton consists of quarks which are.
  • A. Two up, one down
  • B. One up, two down
  • C. All up
  • D. All down
3 The binding energy for_________ is maximum.
  • A. Copper
  • B. Glass
  • C. Iron
  • D. Aluminum
4 The charge number of Ba is.
  • A. 197
  • B. 141
  • C. 56
  • D. 85
5 I amu =
  • A. 9.31 MeV
  • B. 931 MeV
  • C. 9.031 MeV
  • D. None of above
6 When a nucleus emits an alpha particle, its atomic mass decreases by
  • A. 1
  • B. 2
  • C. 3
  • D. 4
7 In Wilson cloud chamber, ß-particles leave
  • A. Thin and continuous tracks
  • B. Thick and continuous tracks
  • C. No tracks
  • D. Thin and discontinuous tracks
8 Alpha particle carries a charge.
  • A. -e
  • B. +2e
  • C. -2e
  • D. No charge
9 In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is
  • A. a-particles
  • B. ß-particles
  • C. Y-rays
  • D. All
10 The first atomic reactor was introduced by
  • A. Currie
  • B. Enrico Fermi
  • C. Newton
  • D. Bohr

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    Guest User

    23 Mar 2020

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    Faiz Imran

    30 Jun 2019

    Mcqs

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