1
JEE Main 2020 (Online) 4th September Evening Slot
Numerical
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Orange light of wavelength 6000 $$ \times $$ 10–10 m illuminates a single
slit of width 0.6 $$ \times $$ 10–4 m. The maximum possible number of diffraction minima produced on both sides of the central maximum is ___________.
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2
JEE Main 2020 (Online) 9th January Evening Slot
Numerical
+4
-0
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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) __________.
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