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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 27 - Wave Optics > Figures shows a wave front P passing through two systems A and B, and emerging as Q and then as R. The systems A and B could, respectively, be

Figures shows a wave front P passing through two systems A and B, and emerging as Q and then as R. The systems A and B could, respectively, be

and emerging as Q and then as R. The systems A and B could Be Figures shows a wave front P passing through two systems A and B respectively