Yellow light of wavelength 6000Å produces fringes of width 0.8 mm in Youngs’s double slit experiment. If the source is replaced by another monochromatic source of wavelength 7500Å and the separation between the slits is doubled then the fringe width beco1mes :
Text Solution
Verified by ExpertsThe correct answer is:
B
: Fringe width in first case
…….. (i)
Fringe width in second case
…… (ii)
Divided equation (ii) by (i)
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