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Saturday, 13 June 2026
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Physics Past Questions and Answers

Waec Physics Questions

Question 886:
If a radioactive atom emits a beta particle, Its mass number
  • A Increases by one
  • B Remains the same
  • C Decreases by one
  • D Increases by two
View Answer & Explanation
Question 887:
Which of the following is usually used to cause fission in an atomic reactor?
  • A Alpha particles
  • B Beta particles
  • C Electrons
  • D Neutrons
View Answer & Explanation
Question 888:
Which of the following materials is used to control the rate of neutron production in a nuclear reactor?
  • A Boron rods
  • B Concrete shield
  • C Graphite rods
  • D Uranium rods
View Answer & Explanation
Question 889:
A tuber of cassava can be processed into powder. This explains the face that
  • A Matter can change sponteneously from one state to another
  • B Matter cannot be destroyed
  • C Force is required to change natter from one state to another
  • D Matter is made up of tiny particle
View Answer & Explanation
Question 890:
A tuber of cassava can be processed into powder. This explains the face that
  • A Matter can change sponteneously from one state to another
  • B Matter cannot be destroyed
  • C Force is required to change natter from one state to another
  • D Matter is made up of tiny particle
View Answer & Explanation