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 411:

  

  In the diagram given if the atmospheric pressure is 760mm, the pressure in the chamber G Is

  Options:
  A) 660mmHg
  B) 890mmHg
  C) 690mmHg
  D) 860mmHg
  Show Answer
  The correct answer is C .
• Question 412:

  Water and Kerosine are drawn respectively into the two limbs of a Hare's apparatus. The destiny of water is 1.0gcm${}^{-3}$ and the density of kerosine is 0.80gcm${}^{-3}$. If the height of the water column is 20.0cm, calculate the height of the kerosine column.

  Options:
  A) 1.6cm
  B) 16.0cm
  C) 20.0cm
  D) 25.0cm
  Show Answer
  The correct answer is D .
• Question 413:

  

  The net capacitance in the circuit above is

  Options:
  A) 80µF
  B) 6.0µF
  C) 4.0µF
  D) 2.0µF
  Show Answer
  The correct answer is D .
• Question 414: Temperature is the measure of the Options:
  A) quantity of heat transferred into the molecules of an object
  B) mean kinetic energy of the molecules of the object
  C) kinetic energy of any individual molecule of the substance
  D) amount of work done by the molecules of the object
  Show Answer
  The correct answer is B .
• Question 415: The most suitable cell used for short interval switches in electric bells is a Options:
  A) lead- acid accumulator
  B) Daniel cell
  C) Leclanche cell
  D) nickel iron accumulator
  Show Answer
  The correct answer is C .
• Question 416:

  

  In the figure above, XY is of length 1m, The value of R at balance point Z is

  Options:
  A) 3.0Ω
  B) 13.3Ω
  C) 15.0Ω
  D) 30.0Ω
  Show Answer
  The correct answer is D .
• Question 417:

  

  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 418: The graphite rods surrounding the uranium fuel rods in a nuclear reactor, are used to Options:
  A) absorb the neutrons and hence halt the nuclear process
  B) create the neutrons and hence slow up the nuclear process
  C) slowdown the neutrons and hence slow up the nuclear process
  D) speed up the neutrons and hence speed up the nuclear process
  Show Answer
  The correct answer is C .
• Question 419: A pressure cooker saves both time and fuel in cooking because inside the cooker, the Options:
  A) boiling point of water is raised
  B) pressure is constant
  C) heat is completely trapped
  D) temperature is evenly distributed
  E) volume of steam varies
  Show Answer
  The correct answer is A .
• Question 420: The equation P^xV^yT^z = constant Options:
  A) x = 0, y = 0, z = 1
  B) x = 1, y = 0, z = 0
  C) x = 1, y = 1, z = 0
  D) x = 1, y = 1, z = 1
  E) x = 1, y = 1, z = -1
  Show Answer
  The correct answer is E .