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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Length, area and volume

Jamb Physics Questions - Length, area and volume

Question 41:
A man whose mass is 80kg climbs a staircase in 20s and expends power of 120W. Find the height of the staircase.[g = 10ms-2]
  • A 1.8m
  • B 2.0m
  • C 2.5m
  • D 3.0m
View Answer & Explanation
Question 42:
The inner diameter of a test tube can be measured accurately using a
  • A Micrometer screw guage
  • B Pair of dividers
  • C Metre rule
  • D Pair of vernier calipers
View Answer & Explanation
Question 43:
The inner diameter of a test tube can be measured accurately using a
  • A Micrometer screw guage
  • B Pair of dividers
  • C Metre rule
  • D Pair of vernier calipers
View Answer & Explanation
Question 44:
The temperature gradient across a copper rod of thickness 0.02m, maintained at two temperature junctions of 20°C and 80°C respectively is
  • A 3.0 x 10<sup style='font-size: smaller;'>2</sup>Km<sup style='font-size: smaller;'>-1</sup>
  • B 3.0 x 10<sup style='font-size: smaller;'>3</sup>Km<sup style='font-size: smaller;'>-1</sup>
  • C 5.0 x 10<sup style='font-size: smaller;'>3</sup>Km<sup style='font-size: smaller;'>-1</sup>
  • D 3.0 x 10<sup style='font-size: smaller;'>4</sup>Km<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 45:
The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The portion will therefore form a
  • A Concave mirror of focal length 5cm
  • B Concave mirror of focal length 10cm
  • C Convex mirror of focal length 5cm
  • D Convex mirror of focal length 20cm
View Answer & Explanation