Question

in young's double slit experiment the wavelength of light = 4×10^-7 m and separation between the slits is D 0.1 mm if the French with is 4 mm then what will be the separation between slit and screen .

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Answer 1

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bita = lemda ×D /d

therefore ,D= bita ×d /lemda

or, D = 4× 10^-3 × 0.1×10^-3/ 4× 10^-7

= 1m

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Answer 2

Answer:

D=1m by young double slit