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 1:

  The binding energy of (${}_2^4\text{He}$) is

  [atomic mass of proton = 1.00783U, atomic mass of neutron = 1.00867U]

  Options:
  A) 4.033U
  B) 2.017U
  C) 0.033U
  D) 0.330U
  Show Answer
  The correct answer is C .
• Question 2: The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth? Options:
  A) 1.92N
  B) 2.88N
  C) 6.72N
  D) 8.00N
  E) 12.00N
  Show Answer
  The correct answer is E .
• Question 3: On which of the following does the operation of a moving coil ammeter depend? i. Electromagnetic induction ii. Force on a carrying-current conductor iii. Magnetic effect of an electric current Options:
  A) i only
  B) ii only
  C) iii only
  D) ii and iii only
  E) i,ii and iii
  Show Answer
  The correct answer is B .
• Question 4:

  An object is placed 35 cm away from a convex mirror with a focal length of magnitude 15 cm. What is the location of the image?

  Options:
  A) 26.25 cm behind the mirror
  B) 10.5 cm behind the mirror
  C) 26.25 cm in front of the mirror
  D) 10.5 cm in front of the mirror
  Show Answer
  The correct answer is A .
• Question 5: A particle in circular motion performs 30 oscillation in 6 seconds. Its angular velocity is Options:
  A) 5 rad s^-1
  B) 6 rad s^-1
  C) 5π rad s^-1
  D) 10π rad s^-1
  Show Answer
  The correct answer is D .
• Question 6: When a pentavalent impurity is added to a pure semiconductor, it becomes Options:
  A) a p-type semiconductor
  B) an n-type semiconductor
  C) an insulator
  D) an intrinsic semi-conductor
  Show Answer
  The correct answer is B .
• Question 7: The lower and upper fixed points marked on a mecury-in-glass thermometer are 210mm apart. The end of the mercury column in the tube is 49mm above the lower fixed point in a room. What is the temperature of the room in degrees Celsius? Options:
  A) 55.3^oC
  B) 23.3^oC
  C) 49.0^oC
  D) 16.1^oC
  E) 76.7^oC
  Show Answer
  The correct answer is B .
• Question 8:

  The momentum of a car moving at a constant speed in a circular track

  Options:
  A) can be both positive and negative
  B) can be zero depending on its position in the track
  C) can be zero depending on its position in the track
  D) a centrifugal
  Show Answer
  The correct answer is C .
• Question 9:

  When the temperature of a liquid is increased, its surface tension

  Options:
  A) increases
  B) decreases
  C) remain constant
  D) increases then decreases
  Show Answer
  The correct answer is B .
• Question 10:

  A quantity of ice at -10°C is heated until the temperature of the heating vessel is 90°C. Which of the following constants is NOT required to determine the quantity of heat supplied to the vessel?

  Options:
  A) Specific latent heat of vaporization
  B) Specific heat capacity of ice
  C) Specific latent heat of fusion
  D) Specific heat capacity of water
  Show Answer
  The correct answer is A .