Question

In a thin film, between two points A a d 8 . 3. b . d . . n ' e1ght fringes are o s~1 ve ~th light of wawlengt11 5461 A How many frmges will be observed betw th · . t A :I B . ~ een e same _rwo pom ~ anc if the wavelengt11 of ligl1t used 1s 6SOO A ·

Answer 1

Answer:

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