MCQ
If two light waves having same frequency have intensity ratio 4 : 1 and they interfere, the ratio of maximum to minimum intensity in the pattern will be
- ✓9 : 1
- B3 : 1
- C25 : 9
- D16 : 25
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| 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 abberrations |
| $(iv)$ Coloured images formed by lenses | $(d)$ Dispersion |
| $(v)$ Different colours of clouds | $(e)$ Interference |

