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Wednesday, 29 July 2026
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Physics Past Questions and Answers

Jamb 2019 Physics Questions

Question 56:
Water and Kerosine are drawn respectively into the two limbs of a Hare's apparatus. The destiny of water is 1.0gcm\(^{-3}\) and the density of kerosine is 0.80gcm\(^{-3}\). If the height of the water column is 20.0cm, calculate the height of the kerosine column.
  • A 1.6cm
  • B 16.0cm
  • C 20.0cm
  • D 25.0cm
View Answer & Explanation
Question 57:
When a girl moves towards a plane mirror at a speed of 4.0m/s, the distance between the girl & her image reduces a speed of
  • A 2 m/s
  • B 4 m/s
  • C 8 m/s
  • D 12 m/s
View Answer & Explanation
Question 58:
One newton x One meter equals?
  • A One water
  • B One Joule
  • C One ampere
  • D One kilogram
View Answer & Explanation
Question 59:
A microscope is focused on a mark on a table, when the mark is covered by a plate of glass 2m thick, the microscope has to be raised 0.67cm for the mark to be once more in focus. Calculate the refractive index.
  • A 1.52
  • B 1.68
  • C 2.58
  • D 1.82
View Answer & Explanation
Question 60:
Radio waves belongs to the class of ware whose velocity is about
  • A 340m/s
  • B 3 × 10\(^{6}\) m/s
  • C 3 à— 10\(^{8}\) m/s
  • D 3 à— 10\(^{-8}\) m/s
View Answer & Explanation