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 31: The accurate measurement of the relative density of a substance in its powdered form is done with a beam balance and Options:
  A) a density bottle
  B) an eureka can
  C) a pipette
  D) a burette
  Show Answer
  The correct answer is A .
• Question 32: A car accelerates uniformly from rest at 3ms^-2. its velocity after traveling a distance of 24m is Options:
  A) 12ms^-1
  B) 144ms^-1
  C) 72ms^-1
  D) 36ms^-1
  Show Answer
  The correct answer is A .
• Question 33: Four lenses are being considered for use as a microscope objective. Which of the following focal lengths is most suitable? Options:
  A) -5mm
  B) +5mm
  C) -5cm
  D) +5cm
  Show Answer
  The correct answer is B .
• Question 34:

  

  A body is acted upon by forces applied at points P and Q as shown above their resultant is equal to

  Options:
  A) 2√5N in adirection N 56° E
  B) 2√5N in adirection N 56° W
  C) 2√13N in adirection N 56◦ E
  D) 2√13N in adirection N 56° W
  E) √10N in adirection N 56° E
  Show Answer
  The correct answer is C .
• Question 35:

  Which of the following is/are the limitations to the Rutherford's atomic models?

  I. It is applicable when energy is radiated as electrons are revolving

  II. It is applicable when energy is radiated in a continuous mode

  III. It is applicable to an atom with only one electron in the other shell

  Options:
  A) I only
  B) II only
  C) I and II only
  D) I, II and III only
  Show Answer
  The correct answer is C .
• Question 36:

  If a source of solid is moving, a stationary listener will hear a sound of different frequency. This is called?

  Options:
  A) doppler effect
  B) resonance
  C) ultra sound
  D) rarefaction
  Show Answer
  The correct answer is A .
• Question 37:

  The statement 'Heat lost by the hot body equals that gained by the cold one' is assumed when determining specific that heat capacity by the method of mixtures. Which of the following validates the assumption?

  I. Lagging the Calorimeter

  II. Ensuring that only S.I units are used

  III. Weighing the calorimeter, the lid and the stirrer.

  Options:
  A) I only
  B) I and II only
  C) I and III only
  D) II and III only
  Show Answer
  The correct answer is C .
• Question 38: Which of the following quantities has the same unit as the watt? Options:
  A) Force x time
  B) Force x distance
  C) Force x acceleration
  D) Force x velocity
  Show Answer
  The correct answer is D .
• Question 39:

  Neutrons were discovered by

  Options:
  A) Faraday
  B) Dalton
  C) James Chadwick
  D) Rutherford
  Show Answer
  The correct answer is C .
• Question 40:

  A ship travelling towards a cliff receives the echo of its whistle after 3.5 seconds. A short while later, it receives the echo after 2.5 seconds. If the speed of sound in air under the prevalling condition is 250ms-1, how much closer is the ship to the cliff?

  Options:
  A) 10m
  B) 350m
  C) 175m
  D) 125m
  Show Answer
  The correct answer is D .