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 201: A car of mass 800kg attains a speed of 25m/s in 20 secs. The power developed in the engine is Options:
  A) 1 . 25 x 10⁴ W
  B) 2 . 50 x 10⁴ W
  C) 1 . 25 x 10⁶W
  D) 2 . 50 x 10⁶ W
  Show Answer
  The correct answer is B .
• Question 202:

  

  Two horizontal forces, 10N and 8N and another force F1 inclined at 30 to the vertical acting as shown in the diagram above, keep the body P in equilibrium, The weight of the body is

  Options:
  A) 2√3/3N
  B) √2N
  C) 4√3/3
  D) 2V3N
  Show Answer
  The correct answer is D .
• Question 203: Which of the following statements is true of nuclear fission? Options:
  A) Heavy nuclei combine to form new element
  B) Protons are used in bombarding heavy nucleus
  C) The sum of the masses of the products is greater than the mass of the original substance
  D) Two light nuclei are made to combine to form a heavy nucleus
  E) Very large amount of energy is released.
  Show Answer
  The correct answer is E .
• Question 204: 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 205: A temperature scale has a lower fixed point of 40mm and a upper fixed point of 200mm. What is the reading on this scale when a thermometer reads 60^oC? Options:
  A) 33.3mm
  B) 36.0mm
  C) 96.0mm
  D) 136.0mm
  Show Answer
  The correct answer is D .
• Question 206: A man wears convex lens glasses of focal length 40cm in order to correct his eye defect. instead of the optimum 25cm, his least distance of distinct vision is Options:
  A) 14cm
  B) 28cm
  C) 75cm
  D) 150cm
  Show Answer
  The correct answer is D .
• Question 207: A series RLC circuit is said to resonate, when Options:
  A) capacitive reactance is zero
  B) conductance is maximum
  C) current is minimum
  D) impedance is minimum
  E) inductive reactance is zero
  Show Answer
  The correct answer is D .
• Question 208: 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 209:

  A travelling wave of amplitude 0.80 m has a frequency of 16 Hz and a wave speed of 20 $ms-1$

  Calculate the wave number of the wave.

  Options:
  A) 3
  B) 4
  C) 5
  D) 2
  Show Answer
  The correct answer is C .
• Question 210:

  Which of the following pairs ispart of the electromagnetic spectrum?

  I. Radio waves

  II. sound waves

  III. Gamma rays

  IV. water waves

  Options:
  A) I and II
  B) III and IV
  C) I and III
  D) II and IV
  Show Answer
  The correct answer is C .