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 1111: A potential difference of 6v is used to produce a current of 5A for 200s through a heating coil. The heat produced is Options:
  A) 4800 cal
  B) 6000 cal
  C) 2400J
  D) 240k cal
  E) 6000J
  Show Answer
  The correct answer is E .
• Question 1112: The area under a force-distance graph represents Options:
  A) acceleration
  B) velocity
  C) power
  D) work
  E) momentum
  Show Answer
  The correct answer is D .
• Question 1113:

  

  The circuit diagram above contains four ammeters W, X, Y and Z, Which of the following statements about the ammeter readings is correct

  Options:
  A) The reading of W is equal to that of Y and twice that of X
  B) The reading of Y is greater than that of Z
  C) The readings of W and Y are equal and each is greater than that of X
  D) The reading of Z is equal to the sum of the readings of Y and W
  Show Answer
  The correct answer is C .
• Question 1114: A stream is flowing at 0.75ms^-1 and a boat heading perpendicular for the stream landed at the opposite bank at an angle of 30°. Calculate the velocity of the boat. Options:
  A) 1.50ms^-1
  B) 1.00ms^-1
  C) 0.86ms^-1
  D) 0.65ms^-1
  Show Answer
  The correct answer is C .
• Question 1115: In a hydraulic press , a force of 40N is applied on the effort piston of area 0.4m². If the force exerted on the load piston is 400N, the area of the large piston is Options:
  A) 4m²
  B) 8m²
  C) 2m²
  D) 1m²
  Show Answer
  The correct answer is A .
• Question 1116: Capacitors are used in the induction coil to Options:
  A) control circuits
  B) prevent distortion of electric fields
  C) prevent electric sparks
  D) dissipate energy
  Show Answer
  The correct answer is C .
• Question 1117: An object 3.0cm high is placed 60.0cm from a converging lens whose focal length is 20.0cm. Calculate the size of the image formed Options:
  A) 0.5cm
  B) 1.5cm
  C) 2.0cm
  D) 6.0cm
  Show Answer
  The correct answer is B .
• Question 1118: Semiconductor is a class of solid whose conductivity increases with an increase in Options:
  A) Pressure
  B) Temperature
  C) Current
  D) Voltage
  Show Answer
  The correct answer is B .
• Question 1119: If a sonometer has a fundamental frequency of 450HZ, what is the frequency of the fifth overtone? Options:
  A) 2700Hz
  B) 456Hz
  C) 444Hz
  D) 75Hz
  Show Answer
  The correct answer is A .
• Question 1120:

  

  The resultant capacitance in the figure above is

  Options:
  A) 15.0µF
  B) 9.8µF
  C) 1.3µF
  D) 0.8µF
  Show Answer
  The correct answer is D .