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 1091: The direction of the path taken by light is called Options:
  A) Locus
  B) Lines
  C) Ray
  D) Beam
  Show Answer
  The correct answer is C .
• Question 1092: Which of the following is a semiconductor Options:
  A) copper
  B) silicon
  C) plastic
  D) Iron
  Show Answer
  The correct answer is B .
• Question 1093:

  

  The current I in the fig above is

  Options:
  A) 4.00A
  B) 1.30A
  C) 0.80A
  D) 0.75A
  Show Answer
  The correct answer is A .
• Question 1094: Marching soldiers crossing a suspension bridge are usually advised to break their steps to avoid damaging the bridge owing to Options:
  A) oscillation
  B) resonance
  C) swinging
  D) vibration
  Show Answer
  The correct answer is B .
• Question 1095: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 1096: A gas has a volume of 100cm³ at 27^oC. If it is heated to temperature T until a final volume of 120cm³ is attained, calculate T Options:
  A) 33^oC
  B) 60^oC
  C) 87^oC
  D) 114^oC
  Show Answer
  The correct answer is C .
• Question 1097: A uniform meter rule weighing 0.5N is to be pivoted on a knife-edge at the 30cm-mark. where will a force of 2N be placed from the pivot to balance the meter rule? Options:
  A) 95cm
  B) 25cm
  C) 20cm
  D) 5cm
  Show Answer
  The correct answer is B .
• Question 1098: A metal has a work function of 3.0 eV. What is the threshold frequency of the metal when electrons are just liberated from the metal.(1 _eV = 1.6 × 10^-19J; h = 6.6 × 10^-34Js) Options:
  A) 4.8 × 10^-19Hz
  B) 9.3 × 10^-7Hz
  C) 4.8 × 10¹⁴Hz
  D) 7.3 × 10¹⁴Hz
  E) 9.3 × 10¹⁴Hz
  Show Answer
  The correct answer is D .
• Question 1099: What is the total electrical energy consumed by using an electric cooker rated 1000W for 5 hrs? Options:
  A) 5.3 x 10³J
  B) 6.5 X 10³J
  C) 1.8 X 10⁷J
  D) 2.3 X 10⁷J
  Show Answer
  The correct answer is C .
• Question 1100: Two inductors of inductances 5 mll and 15 mll are connected in series and a current of 5A flows through them. the total energy stored in the inductor is Options:
  A) 500.0J
  B) 250.0J
  C) 62.5J
  D) 50.0J
  E) no correct option
  Show Answer
  The correct answer is E .