S4 and a second screen behind them.

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Figure shows a standard two slit arrangement with slits S1,S2.P1,P2 are the two minima points on either side of P (Figure). At P2 on the screen, there is a hole and behind P2 is a second 2-slit arrangement with slits S3,S4 and a second screen behind them.
19
Nov
Figure shows a standard two slit arrangement with slits S1,S2.P1,P2 are the two minima points on either side of P (Figure). At P2 on the screen, there is a hole and behind P2 is a second 2-slit arrangement with slits S3,S4 and a second screen behind them. Figure shows a standard two slit arrangement with [...]
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Tags: Figure shows a standard two slit arrangement with slits S1 , P2 are the two minima points on either side of P (Figure). At P2 on the screen , S2.P1 , S4 and a second screen behind them. , there is a hole and behind P2 is a second 2-slit arrangement with slits S3 ,