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Physics MCQ Set 8

physics Set 8 contains 6 of total 50 physics questions (MCQ) with answers. View the answer of each MCQ by clicking over the Show/Hide Answer or all answers at the bottom of the page. You can use these MCQs of physics as a practice for the real exam or entrytest. Interactive Test

MCQ: 43

Question : According to Rutherford the size of the nucleus is of order of

  1. 10-45 m
  2. 10-14 m
  3. 10-43 m
  4. 10-42 m
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MCQ: 44

Question : In discovery of nucleus Rutherford bombarded a thin gold foil with fast moving

  1. Beta particles
  2. Gamma particles
  3. Alpha particle
  4. X-rays
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MCQ: 45

Question : If 15/16 of the radioactive atoms of an element decays in 8 min what will be its half-life?

  1. 1 min
  2. 2 min
  3. 3 min
  4. 4 min

MCQ: 46

Question : After alpha decay the atomic number of the atom

  1. Increase by four
  2. Decreases by two
  3. Increases by two
  4. Decreases by four

MCQ: 47

Question : The half-life of radium is 1600 years. What is the fraction of radium sample that would survive after 6400 years?

  1. 1/4
  2. 1/2
  3. 1/8
  4. 1/16

MCQ: 48

Question : The tumors are irradiated by

  1. Protons
  2. Gamma rays
  3. Beta particles
  4. Alpha particles

All MCQ Answers

Set 5Set 6Set 7Set 8Set 9

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

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