MHT CET 2022 Physics question
In a biprism experiment, the distance between the two sources is doubled and the distance between the slit and the eyepiece is also doubled. Then the width of the fringe is
Answer: (B)
Solution
The fringe width in a biprism (double-source) experiment is , where is the separation between the two (virtual) sources and is the distance from the sources to the eyepiece.
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