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somecelxis
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Homework Statement
A transparent flim of thickness t and reflective index n is placed in front of Y . Which one shows the new condition for destructive intefrence to occur ? the ans is (n-1) t = m λ
. In my opinion , it should be (n-1) t = (m-0.5) λ ,
because for destructive interference to occur , the path difference should be 0.5λ