Question

A student has traced the path of a ray of light through a glass slab as follows. If you are asked to label 1, 2, 3 and 4, the correct sequencing of labeling  ∠i, ∠e, ∠r and lateral displacement respectively is

(a) 2, 1, 3, 4

(b) 1, 2, 3, 4

(c) 1, 3, 2, 4

(d) 1, 3, 4, 2

Answer 1

The correct sequence of labeling ∠i, ∠e, ∠r and lateral displacement respectively is 1, 3, 2 and 4. 

Hence, the correct answer is option (c).