Physics · 2020
JEE Main · 8 January 2020, Shift 2 · Q17
In a double-slit experiment, at a certain point on the screen the path difference between the two interfering waves is 1/8 th of a wavelength. The…
In a double-slit experiment, at a certain point on the screen the path difference between the two interfering waves is $\displaystyle \frac{1}{8}$ th of a wavelength. The ratio of the intensity of light at that point to that at the centre of a bright fringe is :
Official answer
(1)
$\displaystyle 0.853$
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