An oil flowing on water seems coloured due to interference. For observing this effect, the approximate thickness of the oil film should be

Oil floating on water looks coloured due to interference of light.What should be the approximate thickness of the fiml jfor such effects to be visible?

Oil floating on water looks cloured due to interference of light. What should be the approximate thickness of the film for such effects to be visible ?

Oil floating on water looks cloured due to interference of light. What should be the approximate thickness of the film for such effects to be visible ?

For observing interference in thin films with a light of wave length lambda the thickness of the film :

The colours seen in the reflected white light from a thin oil film are due to

The colours seen in the reflected white light from a thin oil film are due to

Explain the colour formation in a thin oil film.