Total internal reflection. i. is a phenomenon of refraction of light. ii. occurs when light rays travel into a denser medium. iii. occurs when the critical angle is just exceeded. iv. is a phenomenon of reflection of light. Which of the statements above are correct?
i and ii only
i and iii only
i, ii and iii only
i, iii and iv only
Correct answer is B
No explanation has been provided for this answer.