Physics · 2022
JEE Main · 29 June 2022, Shift 1 · Q49
Using Young's double slit experiment, a monochromatic light of wavelength 5000 produces fringes of fringe width 0.5 mm. If another monochromatic…
Using Young's double slit experiment, a monochromatic light of wavelength $\displaystyle 5000 \AA$ produces fringes of fringe width $\displaystyle 0.5$ mm . If another monochromatic light of wavelength $\displaystyle 6000 \AA$ is used and the separation between the slits is doubled, then the new fringe width will be :
Official answer
(4)
0.$\displaystyle 3$ mm
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