Question

(a) What do you understand by the term refraction of light? 

(b) How does the light deviate when it travels from? 

1. a rarer to a denser medium 

2. a denser to a rarer medium?

Answer 1

(a) Refraction of light : “When light travels from one optical medium to other optical medium, it changes its path, this change in path is called refraction of light”. 

(b) (i) Towards the normal, (ii) Away from normal.