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Tuesday, 05 May 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 56:
The equivalent capacitance for the circuit drawn above is
  • A 18µf
  • B 4µf
  • C 2µf
  • D 12µf
  • E 13µf
View Answer & Explanation
Question 57:
The density 400cm3 of palm oil was 0.9gcm-3 before frying. If the density of the oil was 0.6gm-3 after frying,assuming no loss of oil due to spilling, its new volume was
  • A 360cm<sup style='font-size: smaller;'>3</sup>
  • B 600cm<sup style='font-size: smaller;'>3</sup>
  • C 240cm<sup style='font-size: smaller;'>3</sup>
  • D 800cm<sup style='font-size: smaller;'>3</sup>
  • E 450cm<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation
Question 58:
The density 400cm3 of palm oil was 0.9gcm-3 before frying. If the density of the oil was 0.6gm-3 after frying,assuming no loss of oil due to spilling, its new volume was
  • A 360cm<sup style='font-size: smaller;'>3</sup>
  • B 600cm<sup style='font-size: smaller;'>3</sup>
  • C 240cm<sup style='font-size: smaller;'>3</sup>
  • D 800cm<sup style='font-size: smaller;'>3</sup>
  • E 450cm<sup style='font-size: smaller;'>3</sup>
View Answer & Explanation
Question 59:
Which of the following statements defines correctly the efficiency of a machine?
  • A The load carried by the machine divided by effort required in carrying the load
  • B The distance moved by the load divided by the distance moved by the effort
  • C The useful work done by the machine divided by the total work put into the machine
  • D The movement of the load divided by the movement of the effort about the same point
  • E The temperature at the end of the application of the machine divided by the initial temperature
View Answer & Explanation
Question 60:
A 500kg car which was initially at rest travelled with an acceleration of 5m sec-2, its kinetic energy after 4 seconds was
  • A 10<sup style='font-size: smaller;'>5</sup>J
  • B 2.5 x 10<sup style='font-size: smaller;'>3</sup>J
  • C 2 x 10<sup style='font-size: smaller;'>3</sup>J
  • D 5 x 10<sup style='font-size: smaller;'>3</sup>J
  • E 5 x 10<sup style='font-size: smaller;'>5J`</sup>
View Answer & Explanation