Multiple choice

Rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this?

I. Interference II. Refraction III. Internal reflection IV. Diffusion

  1. I, II and III

  2. I, II and IV

  3. II and III

  4. I and IV
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A rainbow is the path in which light refracts into the droplet, internally reflects, and then refracts out of the droplet, which results in the dispersion of light into a spectrum of colours.

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