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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 A proton consists of quarks which are.
  • A. Two up, one down
  • B. One up, two down
  • C. All up
  • D. All down
2 Charge on an electron was determined by
  • A. Ampere
  • B. Millikan
  • C. Maxwell
  • D. Bohr
3 Two down and one up quarks make
  • A. Proton
  • B. Neutron
  • C. <strike>photon</strike>
  • D. Positron
4 Half life of radon gas is
  • A. 3.8 minutes
  • B. 3.8 days
  • C. 3.8 months
  • D. 3.8 years
5 Mass of meason is
  • A. Greater then proton
  • B. Less than proton
  • C. Equal to proton
  • D. Equal to neutron
6 James chadwick discovered:
  • A. Proton
  • B. Positron
  • C. Neutron
  • D. Electron
7 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
8 X -rays are similar in nature to.
  • A. Gama rays
  • B. Beta rays
  • C. Alpha rays
  • D. Cathode rays
9 Low level radiations effects
  • A. Less of hair
  • B. Ulceration
  • C. Drop of white blood cells
  • D. All
10 Gamma rays from cobalt -60 are used for treatment of.
  • A. Circulation of blood
  • B. Cancer
  • C. Heart Attack
  • D. Thyroid glands

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    Guest User

    23 Mar 2020

    good

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    Faiz Imran

    30 Jun 2019

    Mcqs

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