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Monday, 20 April 2026
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Physics Past Questions and Answers

Topic: Definition of dimensions

Jamb Physics Questions - Definition of dimensions

Question 1:
Which of the following physical quantities is NOT a vector?
  • A Velocity
  • B Work
  • C Force
  • D Electric field intensity
  • E Magnetic induction
View Answer & Explanation
Question 2:
In copper plating, a current of 0.5A is allowed for cathode area of 100cm2. If this current is maintained constant for 100 minutes, the thickness of the copper deposited will be approximately (the electrochemical equivalent of copper = 0.0003g/oC, density of copper = 10-4g/cm3 )
  • A 10<sup style='font-size: smaller;'>-2</sup>mm
  • B 10<sup style='font-size: smaller;'>-3</sup>mm
  • C 10<sup style='font-size: smaller;'>-4</sup>mm
  • D 10<sup style='font-size: smaller;'>-5</sup>mm
  • E 10<sup style='font-size: smaller;'>-6</sup>mm
View Answer & Explanation
Question 3:
The equation PxVyTz = constant
  • A X = 0, y = 0, z = 1
  • B X = 1, y = 0, z = 0
  • C X = 1, y = 1, z = 0
  • D X = 1, y = 1, z = 1
  • E X = 1, y = 1, z = -1
View Answer & Explanation
Question 4:
Of the following derived units, the one that is not a unit of power is
  • A Joule/second
  • B Ampere volt
  • C Ampere<sup style='font-size: smaller;'>2</sup>volt
  • D Volts<sup style='font-size: smaller;'>2</sup>/ohm
View Answer & Explanation
Question 5:
For which of the underlisted quantities is the derived unit ML2T2 correct? i. momentum of a force ii. work iii. acceleration
  • A I only
  • B Ii only
  • C Iii only
  • D I and ii
  • E Ii and iii
View Answer & Explanation