InterviewSolution
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InterviewSolution
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Light is incident at an angle `phi` with the normal to a plane containing two slits of separation d. Select the expression that correctly describes the positions of the interference maxima in terms of the incoming angle `phi` and outgoing angle `theta`. A. `sin phi = sin theta = (m + (1)/(2)) (lambda)/(d)`B. `d sin theta = m lambda`C. `sin phi - sin theta = (m + 1) (lambda)/(d)`D. `sin phi + sin theta = m (lambda)/(d)` |
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Answer» Correct Answer - d Path difference `= d sin phi + d sin theta` For maxima, `Delta x = m lambda` `implies sin phi + sin theta = (m lambda)/(d)` |
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