| Effects | Reasons |
|---|---|
| $(i)$ Rainbow formation | $(a)$ Reflection |
| $(ii)$ Red colour of danger signals | $(b)$ Scattering |
| $(iii)$ Different colours of thin oil film and soap bubbles | $(c)$ Chromatic aberration |
| $(iv)$ Coloured images formed by lenses | $(d)$ Dispersion |
| $(v)$ Different colours of clouds | $(e)$ Interference |
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