MHT CET 2024 Physics question
The fringe width in an interference pattern is 'X'. the distance between the sixth dark fringe from one side of central bright band to the fourth bright fringe on other side is
Answer: (D)
Solution
Measured from the centre of the central bright band, the -th dark fringe is at and the -th bright fringe is at . The sixth dark fringe on one side is at from the centre. The fourth bright fringe on the other side is at from
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