Assertion : Thin films such a soap bubble or a thin layer of oil on water show beautiful colours when illuminated by white light.
Reason : Light reflected from the upper surface of the thin film due to the interference.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false