Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 1941:

  One of the following readings represents the measurement of thelength of a metal rod using vernier callipers. Taking the reading accuracy into consideration, the most likely one is

  Options:
  A) 5.16cm
  B) 5.165cm
  C) 5.0cm
  D) 5.160cm
  Show Answer
  The correct answer is A .
• Question 1942:

  

  The figure above shows the heights of two liquids X and Y when some air is sucked out of the apparatus through the pump P. The diameter of the table in X is twice That of the Tube In Y. What is the relative density of the liquid X with respect to liquid Y

  Options:
  A) 1/3
  B) 2/3
  C) 3
  D) 6
  Show Answer
  The correct answer is C .
• Question 1943: Which of the following is NOT a part of a d.c. electric motor? Options:
  A) Field-magnet
  B) Armature
  C) Commutator
  D) Transformer
  Show Answer
  The correct answer is D .
• Question 1944: The angle between the direction of the earth's magnetic field and the horizontal is called the Options:
  A) angle of deviation
  B) magnetic declination
  C) magnetic meridian
  D) angle of dip
  Show Answer
  The correct answer is D .
• Question 1945:

  A lead bullet of mass 0.05kg is fired with a velocity of 200ms${}^{-1}$ into a block of mass 0.95kg. Given that the lead block can move freely, the final kinetic energy after impact is?

  Options:
  A) 50J
  B) 100J
  C) 150J
  D) 200J
  Show Answer
  The correct answer is A .
• Question 1946:

  A car of mass 800kg attains a speed of 25m/s in 20secs. The power developed in the engine is

  Options:
  A) 1.25 x 10${}^4$W
  B) 2.50x 10${}^4$W
  C) 1.25 x 10${}^6$W
  D) 2.50 x 10${}^6$W
  Show Answer
  The correct answer is A .
• Question 1947:

  The inner diameter of a test tube can be measured accurately using a?

  Options:
  A) micrometer screw gauge
  B) pair of dividers
  C) meter rule
  D) pair of vernier calipers
  Show Answer
  The correct answer is D .
• Question 1948: When two parallel wires carry currents in opposite directions, the force on either wire is Options:
  A) away from the other wire
  B) zero, because the currents cancel each other
  C) twice as much as when the currents are in the same direction
  D) towards the other wire
  Show Answer
  The correct answer is A .
• Question 1949: Boyle’s law may be Witten as Options:
  A) P1V1= P2V2
  B) V1 = V2 ÷ T1T2
  C) P1T1 = P2T2
  D) P1V1 ÷ T1 = P1V1 ÷ T2
  Show Answer
  The correct answer is A .
• Question 1950:

  Which of the following is not correct about the molecules of a substance in a gaseous state. They?

  Options:
  A) are in a constant state of motion
  B) have different speeds
  C) have a temperature which is measured by the average kinetic energy
  D) The collision between the gases is perfectly inelastic
  Show Answer
  The correct answer is D .