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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Study of humidity

Jamb Physics Questions - Study of humidity

Question 1:
Which of the following may be used to determine the relative humidity in a physics laboratory
I. Manometer
II. Wet-and-Dry Bulb Hygrometer
III. Hair Hygrometer
IV. A Hydrometer
  • A I Only
  • B II and III Only
  • C II Only
  • D III Only
  • E II,IIIand IV Only
View Answer & Explanation
Question 2:
Dry
Day 1 - 30°C | Day 2 - 29°C | Day 3 - 25°C
Wet
Day 1 - 22°C | Day 2 - 22°C | Day 3 - 21°C
The reading above are for three consecutive days from a wet and dry bulb hygrometer. It can be concluded that the relative humidity for the three days
  • A Decreased steadily
  • B Remained unchanged
  • C Increased steadily
  • D Was least on Day 1
View Answer & Explanation
Question 3:
At low humidity in an environment, the human skin is usually?
  • A Damp and rough
  • B Damp and smooth
  • C Dry and rough
  • D Dry and smooth
View Answer & Explanation
Question 4:
Dry
Day 1 - 30°C | Day 2 - 29°C | Day 3 - 25°C
Wet
Day 1 - 22°C | Day 2 - 22°C | Day 3 - 21°C
The reading above are for three consecutive days from a wet and dry bulb hygrometer. It can be concluded that the relative humidity for the three days
  • A Decreased steadily
  • B Remained unchanged
  • C Increased steadily
  • D Was least on Day 1
View Answer & Explanation