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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Simple estimation of errors

Jamb Physics Questions - Simple estimation of errors

Question 6:
ToC051015204060S.V.P(mmHg)4.586.518.9412.6717.5055.10149.00
The table above shows the saturation vapour pressure against temperature in a certain town. If the vapour pressure in this town at 20oC is 10mmHg, what is the relative humidity?
  • A 170.0%
  • B 57.0%
  • C 17.5%
  • D 10.0%
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Question 7:
The value of F in the figure above when in equilibrium is
  • A 10N
  • B 12N
  • C 20N
  • D 27N
View Answer & Explanation
Question 8:
The velocity of sound in air will be doubled if it's absolute temperature is
  • A Quadrupled
  • B Constant
  • C Halved
  • D Doulbed
View Answer & Explanation
Question 9:
What is the best method of demagnetizing a steel bar magnet?
  • A Hammering
  • B Heating it
  • C Rough handling it
  • D Solenoid method
View Answer & Explanation
Question 10:
For a best result using temperature to achieve an accurate measurement, it is best to use
  • A Mercury thermometer
  • B Gas thermometer
  • C Clinical thermometer
  • D Alcohol thermometer
View Answer & Explanation