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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Elementary Modern Physics

Jamb Physics Questions - Elementary Modern Physics

Question 1:
Which of the following statements about radioactivity are true? i. alpha particle is positively charged ii. Beta particle is negatively charged iii. Gamma ray is neutral iv. Beta particle has the same mass as helium atom v. Gamma ray is charged
  • A I, ii, iii and iv only
  • B Iv and v only
  • C I, ii and iii only
  • D I, ii and v only
  • E All
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Question 2:
It is known that a neutron exists in a light atomic nucleus. Which of the following also exists in the nucleus?
  • A An electron
  • B A \(\beta\)-particle
  • C An \(\alpha\)-particle
  • D A proton
  • E An atom
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Question 3:
Which of the following elements is the best absorber of X-rays?
  • A Hydrogen
  • B Oxygen
  • C Calcium
  • D Copper
  • E Lead
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Question 4:
Which type of radiation does not NOT originate within the nucleus?
  • A Alpha
  • B Beta
  • C Gamma
  • D Neutron
  • E X-rays
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Question 5:
Which type of radiation does not NOT originate within the nucleus?
  • A Alpha
  • B Beta
  • C Gamma
  • D Neutron
  • E X-rays
View Answer & Explanation