Physics · 2022
JEE Main · 26 July 2022, Shift 1 · Q35
In Young's double slit experiment, the fringe width is 12 mm. If the entire arrangement is placed in water of refractive index 4/3, then the fringe…
In Young's double slit experiment, the fringe width is $\displaystyle 12$ mm . If the entire arrangement is placed in water of refractive index $\displaystyle \frac{4}{3}$, then the fringe width becomes (in mm ):
Official answer
(2)
$\displaystyle 9$
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