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 1061: Change of state is accompanied by change of Options:
  A) temperature
  B) volume
  C) heat content
  D) temperatureb and volume
  E) volume and heat content
  Show Answer
  The correct answer is C .
• Question 1062: An electric generator with a power output of 3.0KW at a voltage of 1.5KV distributes power along cables of resistance 20.0Ω. The power loss in the cables is Options:
  A) 80.0W
  B) 40.0W
  C) 10.0W
  D) 0.1W
  Show Answer
  The correct answer is A .
• Question 1063:

  I. Work done by load is always less than the work done by effort.

  II. All machines are made of levers, pulleys, screws and gear wheels.

  III. A fishing rod is a machine.

  Iv. Effort is always larger than load.

  which of statements above about machines are true?

  Options:
  A) I and III
  B) III and IV
  C) I and III
  D) II and III
  Show Answer
  The correct answer is C .
• Question 1064: Which of the following phenomena CANNOT be explained by the molecular theory of matter? Options:
  A) Expansion
  B) Conduction
  C) Convection
  D) Radiation
  E) Evaporation
  Show Answer
  The correct answer is D .
• Question 1065:

  23	Na + X →	20	F +	4	He
  11		9		2

  What particle is X in the reaction above?

  Options:
  A) Alpha
  B) Beta
  C) Neurons
  D) Gamma
  Show Answer
  The correct answer is C .
• Question 1066: What is the least possible error in using a rule graduated in centimeters? Options:
  A) 0.1cm
  B) 0.5cm
  C) 1.0cm
  D) 2.0cm
  Show Answer
  The correct answer is A .
• Question 1067:

  Arrange the following in the order of their increasing frequency.I. Visible light

  II. Gamma rays

  III. Radio waves

  IV. Infra-red radiation

  V. Ultra-violet radiation

  Options:
  A) I, II, III, IV, V
  B) II, III, IV, V, I
  C) III, IV, V, I, II
  D) IV, III, I. V, II
  E) III, IV, I,V, II
  Show Answer
  The correct answer is E .
• Question 1068: The internationally agreed system of units(SI) for physical measurements are Options:
  A) Ib, ft, sec
  B) g, m, sec
  C) kg, m, sec
  D) cm, g, sec
  E) kg, cm, sec
  Show Answer
  The correct answer is C .
• Question 1069: The phenomenon that shows that increase in pressure lowers the melting point can be observed in Options:
  A) sublimation
  B) condensation
  C) coagulation
  D) regelation
  Show Answer
  The correct answer is D .
• Question 1070: The capacitance of a parallel plate capacitor is 20 μf in air and 60 μf in the presence of a dielectric. What is the dielectric constant? Options:
  A) 0.3
  B) 6.0
  C) 3.0
  D) 2.0
  Show Answer
  The correct answer is C .