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Full set of Notes with Fill-Ins - San Jose State University

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Chem 155 Unit 6 Page 120 <strong>of</strong> 316The Grating Equation (cont):For outgoing rays 1 and 2 to interfere constructively:pathlength difference DBC must = nλi. b + i = ?ii. b = ?iii. a+b+90° = ?90°90° - i180°iv. substitute ii into iiia + (90 – i) + 90 = 180 a – i +180 = 180 a = iPage 120 <strong>of</strong> 316

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