WAEC Physics 2014 Objective — Question 28
Question 28 of 50 from the West African Examinations Council (WAEC) Physics 2014 Objective paper, with the correct answer and a full explanation.
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Refraction of light differs from reflection in that, in refraction: I. at least two media are involved II. there is a change in the direction of the ray III. the speed of the ray changes. Which of the statement(s) above is/are correct?
- A. I only
- B. I and II only
- C. II and III only
- D. I, II and IIICorrect
Explanation
All three statements are correct: refraction involves at least two media, a change in direction of the ray, and a change in the speed of the ray.
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