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Wednesday, 28 October 2026
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Physics Past Questions and Answers

Jamb 2000 Physics Questions

Question 11:
A quantity of water at 0°C is heated to about 30°C. At each degree rise in temperature, its density will
  • A Rise steadily
  • B Fall steadily
  • C Fall then rise
  • D Rise then fall
View Answer & Explanation
Question 12:
I. Coherence
II. Same frequency
III. Same wavelength
IV. Same Intensity
Which of the conditions above are necessary to produce interference fringes?
  • A I and III
  • B I, II and IV
  • C I, II and III
  • D II and III
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Question 13:
A boy observes a piece of stone at the bottom of a river 6.0m deep. If he looks from the surface of the river, what is the apparent distance of the stone from him? [Refractive Index of Water = 4/3]
  • A 8.0m
  • B 5.5m
  • C 5.0m
  • D 4.5m
View Answer & Explanation
Question 14:
A thin wire with heavy weights attached to both ends is hung over a block of ice resting on two supports. If the wire cuts through the ice block while the block remains solid behind the wire, the process is called
  • A Condensation
  • B Sublimation
  • C Regelation
  • D Fusion
View Answer & Explanation
Question 15:
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