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Friday, 01 May 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 441:
If a beaker is filled with water it is observed that the surface of the water is not horizontal at the glass-water interface. This behavior is due to
  • A Friction
  • B Viscosity
  • C Surface tension
  • D Evaporation
View Answer & Explanation
Question 442:
The mechanical advantage(MA) of an inclined plane depends on
  • A Its length
  • B Its height
  • C The product of its length and height
  • D The ratio of its length to its height
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Question 443:
A load of 5N gives an extension of 0.56cm in a wire which obeys Hooke's law. What is the extension caused by a load of 20N?
  • A 1.12cm
  • B 2.14cm
  • C 2.24cm
  • D 2.52cm
View Answer & Explanation
Question 444:
A cube of side 10cm and mass 0.5kg floats in a liquid with only \(\frac{1}{5}\) of its height above the liquid surface. What is the relative density of the liquid?
  • A 0.125cm<sup style='font-size: smaller;'>-1</sup>
  • B 0.250gcm<sup style='font-size: smaller;'>-1</sup>
  • C 0.625cm<sup style='font-size: smaller;'>-1</sup>
  • D 2.500cm<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 445:
The distance between the fixed points of a centigrade thermometer is 20cm. What is the temperature when the mercury level is 4.5cm above the lower mark?
  • A 22.5<sup style='font-size: smaller;'>o</sup>C
  • B 29.0<sup style='font-size: smaller;'>o</sup>C
  • C 90.0<sup style='font-size: smaller;'>o</sup>C
  • D 100.0<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation