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 1051: The terminal velocity of a ball-bearing falling through a viscous fluid reached when the Options:
  A) upthrust is equal to the weight of the ball
  B) ball accelerate uniformly
  C) upthrustis equal to the velocity of the ball
  D) velocity is uniform
  Show Answer
  The correct answer is D .
• Question 1052: A solid weighs 4.8g in air, 2.8g in water and 3.2g in kerosine. The ratio of density of the solid to that of the kerosine is Options:
  A) 12
  B) 3
  C) 2
  D) $\frac{3}{2}$
  E) $\frac{5}{4}$
  Show Answer
  The correct answer is B .
• Question 1053: One of the properties of the earth's magnetic field is that the Options:
  A) north pole lies in the northern hemisphere
  B) geographic and magnetic meridians coincide
  C) earth's magnetic flux is entirely horizontal at a place where the magnetic dip is zero
  D) earth's magnetic flux is entirely vertical at a place where the magnetic dip is zero
  Show Answer
  The correct answer is C .
• Question 1054: Which of the following could be effectively used to reduce friction? Options:
  A) kerosene
  B) grease
  C) water
  D) petrol
  Show Answer
  The correct answer is B .
• Question 1055: In Faradays law of electrolysis, a graph of the mass deposited against the quantity of electricity is plotted. The slope of the graph gives Options:
  A) the energy released
  B) the electrochemical equivalent
  C) the current flowing
  D) the charge released
  Show Answer
  The correct answer is B .
• Question 1056:

  A convex mirror is used as a driving mirror because

  I. its image is erect

  II. It has a large field of view

  III. It has a long focal length

  Identify the CORRECT statement(s)

  Options:
  A) I and III only
  B) I and II only
  C) II and IIII only
  D) I, II and III only
  Show Answer
  The correct answer is B .
• Question 1057: Energy losses through eddy currents are reduced by using Options:
  A) low resistance wires
  B) insulated soft iron wires
  C) few turns of wires
  D) high resistance wires
  Show Answer
  The correct answer is B .
• Question 1058: A man standing between two parallel mirrors in a barber's shop will see the following number of his own image Options:
  A) eight
  B) two
  C) four
  D) one
  E) infinite
  Show Answer
  The correct answer is E .
• Question 1059: The product PV where P is pressure and V is volume has the same unit as Options:
  A) force
  B) power
  C) energy
  D) accelaration
  Show Answer
  The correct answer is C .
• Question 1060:

  

  In the Fig above, MN is a light uniform meter rule pivoted at O, the 80cm mark. A load of mass 3.0 kg is suspended on the meter rule at L, the 10cm mark. If the rule is kept in equilibrium by a string RP, fixed at P and attached to the rule at R, the 20cm mark, then the Tension T on the string is

  Options:
  A) 30N
  B) 34N
  C) 35N
  D) 60N
  E) 70N
  Show Answer
  The correct answer is E .