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Wednesday, 20 May 2026
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Physics Past Questions and Answers

Jamb 1987 Physics Questions

Question 46:
A 50kg block is dropped from a point 10cm above as shown in the fig above. if the force constant of the spring is 4.0 x 104Nm-1, find the maximum compression of the spring
[g = 10ms-2]
  • A 1.25m
  • B 0.50m
  • C 0.25m
  • D 0.05m
View Answer & Explanation
Question 47:
fig above represents the main sequence of energy conversion at kainji dam. what is the efficiency of the system?
  • A Q1/Q2
  • B E/Q1
  • C E/(Q1-Q2)
  • D E/(Q1-Q2)
View Answer & Explanation
Question 48:
In the above, a voltage V is applied across the terminals P and Q. The voltage across the 1 ohm resistor is
  • A V/8
  • B V/4
  • C V/3
  • D V/2
View Answer & Explanation