Optics 6 Question 34
36. A light source, which emits two wavelengths
(a)
(2014 Adv.)
(b)
(c) from the central maximum, 3rd maximum of
(d) the angular separation of fringes of
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Solution:
- Fringe width
Number of fringes in a given width
Distance of 3 rd maximum of
Distance of 5 th minimum of
So, 3 rd maximum of
Angular separation (or angular fringe width)
