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 1301:

  Shadows and eclipses result from the

  Options:
  A) refraction of light
  B) reflection of light
  C) defraction of light
  D) rectilinear propagation of light
  Show Answer
  The correct answer is D .
• Question 1302: The specific heat of a substance in the solid state is C₁; its specific beat in the liquid state is C₂ and its latent heat of fusion is L. If a mass M of the substance is changed from the solid state at temperature T, to the liquid state, also at temperature T, the amount of heat required will be Options:
  A) M(C₁ ÷ C₂) x T
  B) ML
  C) L
  D) M(C₁ + C₂) × T ÷ ML
  E) ML(C₁ + C₂ ÷ 2) × T
  Show Answer
  The correct answer is B .
• Question 1303: The electrochemical equivalent of silver is 0.0012gC^-1. If 36.0g of silver is to be deposited by electrolysis on a surface by passing a steady current for 5.0mins, the current must be Options:
  A) 6000A
  B) 100A
  C) 10A
  D) 1A
  Show Answer
  The correct answer is B .
• Question 1304: 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 1305:

  I. Melting
  II. Boiling
  III. Refraction
  IV. Conduction

  Which combination of the above is evident of the molecular nature of matter?

  Options:
  A) II , III and IV only
  B) I ,II and IV only
  C) I , III and IV only
  D) I , II and III only
  Show Answer
  The correct answer is B .
• Question 1306: Which of the following arrangements of the components of electromagnetic spectrum is in ascending order of wavelengths? Options:
  A) Gamma rays, ultraviolet rays, X- rays, infra - red rays
  B) Gamma rays, X-rays, ultraviolet rays, infra-red rays
  C) infra-red rays, ultraviolet rays, X-rays, gamma rays
  D) Gamma rays, ultraviolet rays, infra-red rays, X-rays
  Show Answer
  The correct answer is B .
• Question 1307: Which of the following statements is CORRECT? i. the mass number is equal to the total number of protons and electrons in an atom. ii. the atomic number is equal to the number of protons in an atom. iii. the number of electrons in an atom is equal to the total number of protons and neutrons in the nucleus. Options:
  A) i only
  B) ii only
  C) iii only
  D) i and ii only
  E) ii and iii only
  Show Answer
  The correct answer is B .
• Question 1308: If a wheel 1.2 m in diameter rotates at one revolation per second, calculate the velocity of the wheel. Options:
  A) 3.6 ms^-1
  B) 3.77 ms^-1
  C) 4.0 ms^-1
  D) 7.5 ms^-1
  Show Answer
  The correct answer is B .
• Question 1309:

  Neutrons were discovered by

  Options:
  A) Faraday
  B) Dalton
  C) James Chadwick
  D) Rutherford
  Show Answer
  The correct answer is C .
• Question 1310: Which of the following is used in a nuclear reactor to slow down fast moving neutrons? Options:
  A) graphite rods
  B) carbon dioxide gas
  C) liquid sodium metal
  D) concrete shield
  E) boron rods
  Show Answer
  The correct answer is A .