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JEE Main 2020 (Online) 9th January Evening Slot
Numerical
+4
-0
In a Young's double slit experiment 15 fringes
are observed on a small portion of the screen
when light of wavelength 500 nm is used. Ten
fringes are observed on the same section of
the screen when another light source of
wavelength $$\lambda $$ is used. Then the value of $$\lambda $$ is
(in nm) __________.
Your input ____
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