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 1481: An inclined plane which makes an angle of 30^o with the horizontal has a velocity ratio of Options:
  A) 2
  B) 1
  C) 0.866
  D) 0.50
  Show Answer
  The correct answer is A .
• Question 1482:

  Rainbow formation is as a result of the combination of which of the following phenomena?
  (i) Reflection
  (ii) Dispersion
  (iii) Total internal reflection
  (iv) Refraction

  Options:
  A) (ii) and (iv) only
  B) (i), (iii) and (iv) only
  C) (ii), (iii) and (iv) only
  D) (i), (ii) and (iv) only
  Show Answer
  The correct answer is C .
• Question 1483:

  An object is placed 35 cm away from a convex mirror with a focal length of magnitude 15 cm. What is the location of the image?

  Options:
  A) 26.25 cm behind the mirror
  B) 10.5 cm behind the mirror
  C) 26.25 cm in front of the mirror
  D) 10.5 cm in front of the mirror
  Show Answer
  The correct answer is A .
• Question 1484: A parallel plate capacitor of area 10cm² in vacuum has a capacitance of 10^-2$\mu$F. What is the distance between the plates?(e = 9 x 10^-12fm) Options:
  A) 9 x 10^-13m
  B) 9 x 10^-7m
  C) 9 x 10^-3m
  D) 9 x 10⁷m
  Show Answer
  The correct answer is B .
• Question 1485:

  Two divers G and H are at depths 20m and 40m, respectively below the water surface in a lake. The pressure on G is p${}_1$ while the pressure on H is P${}_2$, If the atmospheric pressure is equivalent to 10mof water, then the value of P${}_2$/P${}_1$ is?

  Options:
  A) 0.50
  B) 0.60
  C) 1.67
  D) 2.00
  Show Answer
  The correct answer is C .
• Question 1486:

  Neutrons were discovered by

  Options:
  A) Faraday
  B) Dalton
  C) James Chadwick
  D) Rutherford
  Show Answer
  The correct answer is C .
• Question 1487: Which of the following statements about sound is NOT true? Options:
  A) sound is a longitudinal wave
  B) sound can be reflected and refracted like light
  C) sound travels through a vacuum
  D) sound moves faster in a steel wire than in air
  E) sound can ony be produced by vibrating objects
  Show Answer
  The correct answer is C .
• Question 1488: What type of electromagnetic radiation can be used to take photographs in the haze? Options:
  A) Radio waves
  B) infrared rays
  C) Visible light
  D) Gamma rays
  Show Answer
  The correct answer is B .
• Question 1489: The distance between two successive crests of a wave is 15cm and the velocity 300ms^-1. Calculate the frequency. Options:
  A) 2.0x10²Hz
  B) 4.5x10³Hz
  C) 2.0x10³Hz
  D) 4.5x10²Hz
  Show Answer
  The correct answer is C .
• Question 1490: a tap supplies water at 26^oC while another supplies water at 82^oC. If a man wishes to bathe with water at 40^oC the ratio of hot mass of hot water to that of cold water required is Options:
  A) 1:3
  B) 3:1
  C) 3:7
  D) 7:3
  E) 15:8
  Show Answer
  The correct answer is A .