Question

how does soap bubble show interference?
im a little bit confused

Answer 1

@ash2326 @dan815 @skullpatrol

Answer 2

@tester97 @sauravshakya

Answer 3

Soap film acts as a thin film ...therefore there occurs interference

Answer 4

i understand that but how does the division of light connected to interference

Answer 5

By division of light you mean division of amplitude of light right...but I still not getting u ...what is confusing

Answer 6

ok

Answer 7

If u have any confusion plz discuss it here

Answer 8

This is my opinion - take it as 'non-expert'

When light strikes the outer surface of a bubble some is reflected, and some is refracted into the film. The refracted ray then strikes the INNER surface of the film and some is reflected back. Now the second reflected ray has travelled 2xfilm thickness further than the first reflected ray - therefore its phase has shifted by that much when it is rejoins the first reflected ray. Thus the 2 paths of the light interfere due to their slight difference in phase....

Answer 9

@Abhisar

Answer 10

What is confusing you ?

Answer 11

Visit \(\underline{\href{//hyperphysics.phy-astr.gsu.edu/hbase/phyopt/soapfilm.html}{\huge\sf this}}\)

Answer 12

yeah i need a simpler explanation @Abhisar

Answer 13

Mr. Nood gave a very simple explanation :P..

i think ur confusion is with basic interference

do you know what interference of light is? ..

Answer 14

Soap bubble show interference as thin film producing multiple beam interference