Question

The soap bubble and oil film appeared as coloured one. why?Choose the correct one from the following * Captionless Image Interference of the light transmitted from front and back side of the soap bubble Interference of the light reflection from front and back side of the soap bubble

Answer 1

Question:-

The soap bubble and oil film appeared as coloured one. why?Choose the correct one from the following * Captionless Image Interference of the light transmitted from front and back side of the soap bubble Interference of the light reflection from front and back side of the soap bubble

Answer :-

When light shines onto a bubble it appears to change colour. Unlike those seen in a rainbow, which arise from differential refraction, the colours seen in a soap bubble arise from interference of light reflecting off the front and back surfaces of the thin soap film.

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Answer 2

Answer:

hi!! it is because of interference between two thin surfaces of bubble.

Explanation:

u can also calculate its wavelength by formula:

             this is for trasmitted wave.

      for maxima: n lambda = 2∪tcosФ