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 1101:

  One of the following is a scalar quantity?

  Options:
  A) weight
  B) momentum
  C) potential energy
  D) displacement
  Show Answer
  The correct answer is C .
• Question 1102: A house has ten 40W and five 100W bulbs. How much will it cost the owner of the house to keep them lit for 10 hours if the cost of a unit is 5N? Options:
  A) N90
  B) N50
  C) N45
  D) N5
  Show Answer
  The correct answer is C .
• Question 1103: Which of the following properties make the convex mirror useful as a driving mirror? i. the image is real. ii. the image is erect. iii. it has a wide field of view. iv. the image is magnified. Options:
  A) i, ii, and iv
  B) i, ii, iii
  C) ii and iii
  D) i and iii
  Show Answer
  The correct answer is C .
• Question 1104: The lack of power of accommodation which is mainly due to the hardening of the eye lens and is usual with onset of old age is called? Options:
  A) myopia
  B) hypermyopia
  C) presbyopia
  D) astigmatism
  E) eye ring
  Show Answer
  The correct answer is C .
• Question 1105:

  A projectile is projected with an initial velocity u, at an angle θ to the horizontal. The maximum height attained is.

  Options:
  A) U² sin $\frac{\theta }{g}$
  B) 2U² sin² $\frac{\theta }{g}$
  C) U sin² $\frac{\theta }{g}$
  D) U² sin²$\frac{\theta }{g}$
  Show Answer
  The correct answer is D .
• Question 1106: A series RLC circuit is said to resonate, when Options:
  A) capacitive reactance is zero
  B) conductance is maximum
  C) current is minimum
  D) impedance is minimum
  E) inductive reactance is zero
  Show Answer
  The correct answer is D .
• Question 1107: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 1108:

  A siren having a ring of 200 hole makes 132 rev/min. A jet of air is directed on the set of holes. Calculate the frequency and wavelength in air of the note produced (take v = 350m/s)

  Options:
  A) 0.875m
  B) 0.625m
  C) 0.335m
  D) 0.125m
  Show Answer
  The correct answer is A .
• Question 1109:

  

  In the circuit diagram above , the ammeter reads a current of 3A when R is 5Ω and 6A when R is 2Ω. Determine the value of x.

  Options:
  A) 8Ω
  B) 2Ω
  C) 10Ω
  D) 4Ω
  Show Answer
  The correct answer is C .
• Question 1110: The electric potential at a distance d from a point charge q in air of permittivity e_o is expressed as Options:
  A) q² ÷ 4πe_od
  B) q² ÷ 4πe_o
  C) q ÷ 4πe_od²
  D) q ÷ 4πe_od
  E) q ÷ 4πe_o²d
  Show Answer
  The correct answer is D .