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Thursday, 29 October 2026
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Physics Past Questions and Answers

Jamb 2019 Physics Questions

Question 96:
"Sum of all forces acting on a body is zero." This condition represents equilibrium'
  • A First condition
  • B Second condition
  • C Third condition
  • D Fourth condition
View Answer & Explanation
Question 97:
Which of the following bodies, each with centre of gravity G, lying on a horizontal table, is/are in unstable equilibrium?
  • A II only
  • B III only
  • C I & IV only
  • D II & III only
View Answer & Explanation
Question 98:
The volume of a stone having an irregular shape can be determined using?
  • A Meter rule
  • B Measuring cylinder
  • C Vernier calliper
  • D Micrometer screw gauge
View Answer & Explanation
Question 99:
A body moves in SHM between two point 20m on the straight line Joining the points. If the angular speed of the body is 5 rad/s. Calculate its speed when it is 6m from the center of the motion.
  • A 20 m/s
  • B 30 m/s
  • C 40 m/s
  • D 50 m/s
View Answer & Explanation
Question 100:
The height at which the atmosphere cases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is
(ρm = 13.6g/cm\(^3\) ρ = 0.00013g/cm\(^3\) )
  • A 380mmHg
  • B 570mmHg
  • C 190mmHg
  • D 480mmHg
View Answer & Explanation