Refraction of lights differs from reflection in that, in ...
Refraction of lights 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 statements above is/are correct?
i only
i ad ii only
ii and iii only
i and iii only
Correct answer is B
No explanation has been provided for this answer.