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 1021:

  A safety precaution designed to prolong the life of a lead acid accumulator is

  Options:
  A) By topping up the cells with concentrated acid
  B) The use of naked flame when charging the battery
  C) Keeping the specific gravity of the electrolyte within specified range
  D) By connecting wires to the terminals directly when testing the level of charging
  Show Answer
  The correct answer is C .
• Question 1022:

  

  The diagram above shows the prism arrangement in a

  Options:
  A) Microscope
  B) tereoscope
  C) projector
  D) periscope
  E) gyroscope
  Show Answer
  The correct answer is D .
• Question 1023: 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 1024: When 100g of liquids L₁ at 78^oC was mixed with Xg of liquid L₂ at 50^oC, the final temperature was 60^oC. Given that the specific heat capacity of L₂is half that of L₁, find x Options:
  A) 50g
  B) 100g
  C) 150g
  D) 200g
  Show Answer
  The correct answer is C .
• Question 1025:

  A 35 kΩ is connected in series with a resistance of 40 kΩ. What resistance R must be connected in parallel with the combination so that the equivalent resistance is equal to 25 kΩ?

  Options:
  A) 40 kΩ
  B) 37.5 kΩ
  C) 45.5 kΩ
  D) 30 kΩ
  Show Answer
  The correct answer is B .
• Question 1026:

  Three resistors with resistance 200Ω, 500Ω and 1kΩ are connected in series. A 6v battery is connected to either end of the combination. Calculate the potential difference between the ends of 200Ω resistance.

  Options:
  A) 0.71V
  B) 0.7V
  C) 0.82V
  D) 0.8V
  Show Answer
  The correct answer is A .
• Question 1027:

  What is the name of the model of the atom that describes electrons as orbiting the nucleus in specific energy levels?

  Options:
  A) Bohr model
  B) Dalton model
  C) Rutherford model
  D) Thomson model
  Show Answer
  The correct answer is A .
• Question 1028: 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 1029: A solid weigh 10 .00 N in air, 6 N when fully immersed in water and 7 . 0 N when fully immersed in a liquid X. Calculate the relative density of the liquid, X. Options:
  A) 5/3
  B) 4/3
  C) 3/4
  D) 7/10
  Show Answer
  The correct answer is C .
• Question 1030: If the mechanical advantage of a machine is 4. What is its ratio for LOAD to EFFORT? Options:
  A) 4:01
  B) 1:04
  C) 5:01
  D) 2:01
  Show Answer
  The correct answer is A .