Search SchoolNGR

Wednesday, 28 October 2026
Register . Login

Physics Past Questions and Answers

Jamb 1997 Physics Questions

Question 6:
Which of the following with respect to a body performing simple harmonic motion are in phase?
  • A Displacement and velocity of the body
  • B Displacement and force on the body
  • C Velocity and acceleration of the body
  • D Force acting on the body and the acceleration
View Answer & Explanation
Question 7:
A body of mass 2kg moving vertically upwards has its velocity increased uniformly from 10ms-1 to 40ms-1 in 4s. Neglecting air resistance, calculate the upward vertical force acting on the body.[g = 10 ms-1]
  • A 15N
  • B 20N
  • C 35N
  • D 45N
View Answer & Explanation
Question 8:
A planet has mass m1 and is at a distance r, from the sun. A second planet has mass m2 = 10m1 and at a distance of r2 = 2r1 from the sun. Determine the ratio of the gravitational force experienced by the planets.
  • A 1 : 5
  • B 2 : 5
  • C 3 : 5
  • D 4 : 5
View Answer & Explanation
Question 9:
An object of mass 100g projected vertically upwards from the ground level has a velocity of 20ms-1 at a height of 10m. calculate its initial kinetic energy at the ground level.[g = 10ms-2, neglect air resistance]
  • A 10 J
  • B 20 J
  • C 30 J
  • D 50 J
View Answer & Explanation
Question 10:
An electric water pump rate 1.5 kW, lifts 200kg of water through a vertical height of 6 meters in 10 seconds. What is the efficiency of the pump? [g = 10ms-2, neglecting air resistance]
  • A 90.0%
  • B 85.0%
  • C 80.0%
  • D 65.0%
View Answer & Explanation