In Young's double-slit experiment, 12 fringes are obtained on a certain segment of the screen when light of wavelength 600 nm is used. If the wavelength of light is changed to 400 nm, the number of fringes observed on the same segment of the screen is given by
Text Solution
Verified by ExpertsThe correct answer is:
A
18
If on a certain segment of the screen, n 1 fringes of wavelength 
are present and n 2 fringes of wavelength 
are present, then
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