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Monday, 02 November 2026
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Physics Past Questions and Answers

Jamb 2007 Physics Questions

Question 36:
from the diagram above, the inductive reactance and the resistance R are respectively
  • A 50Ω and 45Ω
  • B 25Ω and 51Ω
  • C 20Ω and 50Ω
  • D 10Ω and 50Ω
View Answer & Explanation
Question 37:
118.8cm2 surface of the copper cathode of a voltameter is to be coated with 10-6m thick copper of density 9 x 103kgm-3. How long will the process run with 10A constant current?
[3.3 x 10-7kgC-1]
  • A 5.4 min
  • B 10.8 min
  • C 15.0 min
  • D 20.0 min
View Answer & Explanation
Question 38:
A particle of weight 120N is placed on a plane inclined at 300 to the horizontal. If the plane has an efficiency of 60% to the floor what is the force required to push the weight uniformly up the plane?
  • A 50N
  • B 100N
  • C 175N
  • D 210N
View Answer & Explanation
Question 39:
A string of length 4m is extended by 0.02m when a load of 0.4kg is suspended at its end. What will be the length of the string when the applied force is 15N?
  • A 4.05m
  • B 4.08m
  • C 5.05m
  • D 6.08m
View Answer & Explanation
Question 40:
Which of the following gas laws is equivalent to the work done?
  • A Boyle' law
  • B Charles law
  • C Pressure law
  • D Van der Waal's law
View Answer & Explanation