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 1131: Which of the following statements about electrolysis is NOT correct? Options:
  A) The substances in solution in the electrolyte become ionized
  B) Ions are electrically charged and are attracted towards electrodes when a potential difference is applied
  C) Ions may be discharged at the electrodes, forming bubbles or deposits
  D) The mass deposited depends upon the length of time for which current flows
  E) The mass of gas set free or metal deposited is proportional to the square of the current
  Show Answer
  The correct answer is E .
• Question 1132:

  Which of the following can be described as high tension transmission?

  Options:
  A) High resistance and low voltage
  B) Low current and high voltage
  C) High current and low voltage
  D) High current and low resistance
  Show Answer
  The correct answer is B .
• Question 1133: I. Refraction II. Interference III. Diffraction Which of the above properties are common to all waves? Options:
  A) II and III only
  B) I, II and III
  C) I and II only
  D) I and III only
  Show Answer
  The correct answer is B .
• Question 1134: Which of the following statements is correct about light and sound waves? Both Options:
  A) are longitudinal waves
  B) are transverse waves
  C) have the same velocity in air
  D) need a medium for propagation
  E) transmit energy
  Show Answer
  The correct answer is E .
• Question 1135:

  The terminals of a battery of emf 24.0 V and internal resistance of 1.0 Ω is connected to an external resistor 5.0 Ω. Find the terminal p.d.

  Options:
  A) 18.0V
  B) 12.0V
  C) 16.0V
  D) 20.0V
  Show Answer
  The correct answer is D .
• Question 1136:

  

  In the figure above, the work done by the force of 100N inclined at an angle of 60^o to the object dragged horizontally to a distance of 8m is

  Options:
  A) 800J
  B) 600J
  C) 100J
  D) 400J
  Show Answer
  The correct answer is D .
• Question 1137:

  

  What is the resultant resistance of the circuit in the image shown?

  Options:
  A) 8Ω
  B) 11Ω
  C) 4Ω
  D) 3.6Ω
  Show Answer
  The correct answer is A .
• Question 1138: Which of the following is NOT a fundamental S.I unit? Options:
  A) Meter
  B) Ampere
  C) Kelvin
  D) Seconds
  E) Radian
  Show Answer
  The correct answer is E .
• Question 1139: 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 1140:

  On a fairly cool rainy day when the temperature is 20^oC, the length of a steel railroad track is 20m. What will be its length on a hot a dry day when the temperature is 40^oC?

  [coefficient of linear expansion of steel = 11 x 10^-6K^-1]

  Options:
  A) 20.013m
  B) 20.009m
  C) 20.004m
  D) 20.002m
  Show Answer
  The correct answer is C .