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 1761: If the distance between two point charges its increased by a factor of four, the magnitude of the electrostatic force between them will be Options:
  A) ¹/₄ of its former value
  B) ¹/₁₆ of its former value
  C) ¹/₂ of its former value
  D) 4 times its former value
  Show Answer
  The correct answer is B .
• Question 1762: One valid assumption of the kinetic theory of gasses is the Options:
  A) the molecules of a gas are constantly in a state of motion and the number of collision remains constant
  B) the number of molecule of gas increases with increasing pressure
  C) as the temperature increases, the number of collision made by the gas molecule remains constant
  D) the molecules of gas are all identical and are very small in size
  Show Answer
  The correct answer is D .
• Question 1763:

  When a water droplet is placed on a freshly cut piece of wood, it spreads out to form a thin layer because the wood is

  Options:
  A) not at equilibrium with the water
  B) cohesive to water
  C) at equilibrium with the water
  D) adhesive to water
  Show Answer
  The correct answer is D .
• Question 1764:

  

  The total capacitance of the circuit above is

  Options:
  A) 0.25mF
  B) 0.50mF
  C) 0.75mF
  D) 1.25mF
  E) 1.50mF
  Show Answer
  The correct answer is E .
• Question 1765: A car accelerates uniformly from rest at 3ms^-2. its velocity after traveling a distance of 24m is Options:
  A) 12ms^-1
  B) 144ms^-1
  C) 72ms^-1
  D) 36ms^-1
  Show Answer
  The correct answer is A .
• Question 1766: The instrument that measures both a.c and d.c is? Options:
  A) a current balance
  B) a moving current ammeter
  C) a moving iron ammeter
  D) an inverter
  Show Answer
  The correct answer is C .
• Question 1767: The direction of the magnetic field at a point in the vicinity of a bar magnet is Options:
  A) always towards the north pole of the magnet
  B) always away from the south pole of the magnet
  C) along the line joining the point to the neutral point
  D) in the direction the north pole of a compass needle would point
  Show Answer
  The correct answer is D .
• Question 1768:

  Which of the following statements about defects of vision is/are CORRECT?

  I. Fora long sighted person, close objects appear blurred

  II. For a short sighted person, distant objects appear blurred

  III. Short sight is corrected by using a pair of converging lenses

  Options:
  A) I only
  B) II only
  C) I and II only
  D) II and III only
  Show Answer
  The correct answer is C .
• Question 1769:

  One newton × One meter equals?

  Options:
  A) One water
  B) One Joule
  C) One ampere
  D) One kilogram
  Show Answer
  The correct answer is B .
• Question 1770: A man stands on a spring scale placed in a lift. The lift descends at constant velocity. As a result, the scale reads a weight Options:
  A) greater than the weight of the man
  B) the same as the weight of the man
  C) of zero
  D) less than the weight of the man
  E) greater than the weight of the man by 1kg
  Show Answer
  The correct answer is B .