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 341:

  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 342:

  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 343: A ray incident on a glass prism undergoes minimum deviation when the Options:
  A) incident angle is equal to the angle of refraction
  B) refraction angle equals 90^o
  C) incident angle equals 90^o
  D) incident angle is equal to the angle of emergence
  Show Answer
  The correct answer is D .
• Question 344:

  

  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 .
• Question 345: Which of the following is correct about an electric cell? Options:
  A) Primary cell produces a large current for a long time
  B) Secondary cell has a very high internal resistance
  C) Primary cell has a very low internal resistance
  D) Secondary cell has a very low internal resistance
  Show Answer
  The correct answer is D .
• Question 346: Which of the following statements about defects of vision is/are CORRECT? i. for a long sighted person, close objects appear blurred. ii. for a short sighted person, distant objects appear blurred. iii. short sight is corrected by using a pair of converging lenses. Options:
  A) i only
  B) ii only
  C) i and ii only
  D) ii and iii only
  E) i, ii and iii
  Show Answer
  The correct answer is C .
• Question 347:

  The slope of the straight line displacement-time graph indicates?

  Options:
  A) distance traveled
  B) uniform velocity
  C) uniform acceleration
  D) uniform speed
  Show Answer
  The correct answer is B .
• Question 348: Which of the following represents the correct precision if the length of a piece of wire is measured with a meter rule? Options:
  A) 35mm
  B) 35.0mm
  C) 35.00mm
  D) 35.01mm
  Show Answer
  The correct answer is A .
• Question 349: Longitudinal waves do not exhibit Options:
  A) Refraction
  B) Reflection
  C) Diffraction
  D) Polarization
  E) Rarefaction
  Show Answer
  The correct answer is D .
• Question 350:

  In an inelastic collisionI. Energy is conversed

  II. Energy is decreased

  III. Energy is increased

  IV. Linear momentum conversed

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