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 601: Three electric cells each of e.m.f 1.5V and internal resistance of 1.0$\mathrm{\Omega }$ are connected in parallel across an external resistance of $\frac{2}{3}$$\mathrm{\Omega }$. Calculate the value of the current in the resistor Options:
  A) 0.5 A
  B) 0.9A
  C) 1.5A
  D) 4.5A
  Show Answer
  The correct answer is C .
• Question 602: A wire P has half the diameter and half the length of a wire Q of similar material. The ratio of the resistance of P to that of Q is Options:
  A) 8 : 1
  B) 4 : 1
  C) 2 : 1
  D) 1 : 1
  E) 1 : 4
  Show Answer
  The correct answer is C .
• Question 603: Which of the following pairs of musical instruments produce sound due to the vibration of air column? Options:
  A) Bell and piano
  B) Guitar and flute
  C) Trumpet and drum
  D) Trumpet and flute
  E) Violin and organ
  Show Answer
  The correct answer is D .
• Question 604:

  The force required to make an object of mass m, travelling with velocity v, turn in a circle of radius r is

  Options:
  A) $\frac{m{v}^2}{r}$
  B) $\frac{m{r}^2}{x}$
  C) $\frac{mr}{v}$
  D) $\frac{mv}{r^2}$
  Show Answer
  The correct answer is A .
• Question 605: Calculate the heat energy lost when 10g of boiling water changes to ice at 0°C. [Specific latent heat of ice 336Jg^-1 . Specific heat capacity of water 4.2Jg^-1 K^-1] Options:
  A) 840J
  B) 3360J
  C) 3420J
  D) 4200J
  E) 7560J
  Show Answer
  The correct answer is E .
• Question 606: Which of the following pairs of musical instruments produce sound due to the vibration of air column? Options:
  A) Bell and piano
  B) Guitar and flute
  C) Trumpet and drum
  D) Trumpet and flute
  E) Violin and organ
  Show Answer
  The correct answer is D .
• Question 607:

  I It retains its magnetic much longer than steel.

  II It is more easily magnetized than steel

  III It is more easily demagnetized than steel

  IV It produces a stronger magnet than steel

  Which combination of the above makes iron preferable to steel in the making of electromagnets?

  Options:
  A) I and II only
  B) II and III only
  C) I, III, and IV only
  D) II, III and IV only
  Show Answer
  The correct answer is B .
• Question 608: The following are the scores of ten students in a test of 20 marks: 15, 16, 17, 13, 16, 8, 5, 16, 19, 17. What is the modal? Options:
  A) 13
  B) 15
  C) 16
  D) 19
  Show Answer
  The correct answer is C .
• Question 609: Which of the following statements is correct about volatile liquids? They have Options:
  A) low boiling point
  B) Low evaporating rate
  C) high conductivity
  D) high density
  E) high viscosity
  Show Answer
  The correct answer is A .
• Question 610: An object of weight 80kg on earth is taken to a planet where acceleration due to gravity is one-third of its value on earth. The weight of the object on the planet is Options:
  A) 48N
  B) 12N
  C) 27N
  D) 36N
  Show Answer
  The correct answer is C .