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 801:

  

  Each of the figures in the diagram above represent two current carrying conductors situated close to each other. In which two diagrams, are the forces between the two wires attractive

  Options:
  A) I and V
  B) I and II
  C) II and IV
  D) II and V
  E) III and IV
  Show Answer
  The correct answer is C .
• Question 802: The bond between silicon and germanium is Options:
  A) dative
  B) covalent bond
  C) trivalent
  D) ionic
  Show Answer
  The correct answer is B .
• Question 803: An electron of charge a = 1.6 × 10^-19C is situated in a uniform electric field of intensity 2.4 × 105 V m^-1. What is the force on the electron? Options:
  A) 1.60 × 10^-19N
  B) 3.84 × 10¹⁹N
  C) 1.92 × 10^-14N
  D) 3.84 × 10^-14N
  E) 7.68 × 10^-14N
  Show Answer
  The correct answer is D .
• Question 804: Which of the following devices are used to measure pressure? i. Aneroid barometer. ii. hydrometer. iii. hygrometer. iv. manometer. Options:
  A) i and iii
  B) ii and iii
  C) iii and iv
  D) i and iv
  Show Answer
  The correct answer is D .
• Question 805:

  

  The diagram above shows a velocity time graph representing the motion of a car. Find the total distance covered during the acceleration and retardation of the motion

  Options:
  A) 75m
  B) 150m
  C) 300m
  D) 375m
  Show Answer
  The correct answer is A .
• Question 806: In a gas experiment, the pressure of the gas is plotted against the reciprocal of the volume of the gas at a constant temperature. the unit of the slope of the resulting curve is Options:
  A) force
  B) force/m
  C) work
  D) force/m³
  E) energy/m³
  Show Answer
  The correct answer is C .
• Question 807:

  Which of the following will increases the boiling point of water?I. Taking it to a high altitude

  II. Dissolving a salt into it

  III. Heating it in a sealed flask

  IV. Increasing the rate of heat supply.

  Options:
  A) I only
  B) III & IV only
  C) II & III only
  D) II only
  Show Answer
  The correct answer is B .
• Question 808: Calculate the energy stored in an inductor of inductance 0.5H when a current of 3A flows through it. Options:
  A) 15.00 J
  B) 9.45 J
  C) 6.00 J
  D) 4.50J
  E) 2.25 J
  Show Answer
  The correct answer is E .
• Question 809: The motion of the prongs of a sounding turning fork is Options:
  A) circular
  B) oscillatory
  C) random
  D) rotational
  E) translational
  Show Answer
  The correct answer is B .
• Question 810: At reasonance, the phase angle in an a.c. circuit is Options:
  A) 90°
  B) 60°
  C) 0°
  D) 180°
  Show Answer
  The correct answer is C .