question_answer

Two kids were discussing blowing soap bubbles with spectacular colouring. Ravi, an M.Sc. (Physics) student was watching them. He explained the phenomenon to the kids.

(i) What kind of person is Ravi?

(ii) Why are colours formed on bubbles? Name the phenomenon.

Answer:

(i) Ravi is a good intelligent person and concern about the curiosity of the kids.

(ii) Due to superposition of incident and reflected waves of light by thin film of soap bubbles interference.