(A) If a plane glass slab is placed on the letters of different colours all the letters appears to be raised up to the same height. ( R) Normal shift is independent of colour of light.

(A) If a plane glass slab is placed on the letters of different colour

1.	(A) If a plane glass slab is placed on the letters of different colours all the letters appears to be raised up to the same height. ( R) Normal shift is independent of colour of light.
Answer» Both A and R are true and R is the CORRECT explanation of A Both A and R are true and R is not the correct explanation of A A is true and R is false Both A and R is false Answer :D