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Thursday, 05 November 2026
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Physics Past Questions and Answers

Jamb 2005 Physics Questions

Question 16:
The current in a reverse-biased junction is due to?
  • A Minority carriers
  • B Electrons
  • C Majority carriers
  • D Holes
View Answer & Explanation
Question 17:
which of the following materials is a conductor?
  • A Glass
  • B Wax
  • C Sodium
  • D Plastic
View Answer & Explanation
Question 18:
When the temperature difference between the wet and dry bulbs of a hygrometer is high, this indicates that
  • A It is about to rain
  • B The relative humidity is high
  • C There is plenty of sunshine
  • D The relative humidity is low
View Answer & Explanation
Question 19:
A 3m3 volume of liquid W of density 200kgm3 is mixed with another liquid L of volume 7m3 and density 150kgm-3. the density of mixture is?
  • A 165kgm<sup style='font-size: smaller;'>-3</sup>
  • B 100kgm<sup style='font-size: smaller;'>-3</sup>
  • C 265kgm<sup style='font-size: smaller;'>-3</sup>
  • D 350kgm<sup style='font-size: smaller;'>-3</sup>
View Answer & Explanation
Question 20:
A body of mass 36kg falls through a viscous liquid which offers a drag force of 260N on the body. The upthrust on the body at terminal velocity is?
[g = 10ms2]
  • A 100N
  • B 620N
  • C 50N
  • D 310N
View Answer & Explanation