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Tuesday, 07 April 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 1821:
When an atom undergoes a beta decay, the atomic number of the nucleus
  • A Remains unchanged
  • B Decreases by one
  • C Increases by one
  • D Becomes zero
View Answer & Explanation
Question 1822:
Calculate the mass of the copper deposited during electrolysis when a current of 4A passes through a copper salt for 2 hours. [Ece of Copper z=3.3x10-7kgC-1]
  • A 2.9x105kg
  • B 9.5x10-7kg
  • C 9.5x10-3kg
  • D 2.9x104kg
View Answer & Explanation
Question 1823:
Which gas produces a pink coloured light in a discharge tube?
  • A Mercury
  • B Argon
  • C Air
  • D Neon
View Answer & Explanation
Question 1824:
In a common emitter configuration, the output voltage is through the
  • A Resistor
  • B Base
  • C Collector
  • D Emitter
View Answer & Explanation
Question 1825:
When \(^{210}_{82}Pb\) decays to \(^{206}_{80}Pb\), it emits
  • A Two alpha and two beta particles
  • B An alpha particle
  • C One beta particle
  • D One alpha and one beta particle
View Answer & Explanation