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Wednesday, 28 October 2026
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Physics Past Questions and Answers

Jamb 1997 Physics Questions

Question 41:
The following are the scores of ten students in a test of 20 marks: 15, 16, 17, 13, 16, 8, 5, 16, 19, 17. What is the modal?
  • A 13
  • B 15
  • C 16
  • D 19
View Answer & Explanation
Question 42:
Find the standard deviation of the following data -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5
  • A 2
  • B 3
  • C √10
  • D √11
View Answer & Explanation
Question 43:
For what value of 6 are the forces in the diagram above in equilib4ruim
  • A \( 15^{\circ} \)
  • B \( 30^{\circ} \)
  • C \( 45^{\circ} \)
  • D \( 60^{\circ} \)
View Answer & Explanation
Question 44:
The fig above shows a block of mass m sliding down a rough inclined plane QP at angle \( \theta \) . The forces acting on the block along QP are
  • A Mg sinθ and the normal reaction
  • B Mg sinθ and the force of friction
  • C Mg sinθ and the normal reaction
  • D Mg cosθ and the normal reaction
View Answer & Explanation
Question 45:
A uniform light beam XZ is Hinged at X and kept in equilibrium by the forces T and F as shown in the diagram above. if XO = 20m and OY = 30cm, express T in terms of F
  • A T =2√3/3
  • B T= 2F
  • C T = 5V3F/3
  • D T = 5F
View Answer & Explanation