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  3. 1: a) starting with two slits, separated by a dist

1: A) Starting with two slits, separated by a distance \"d,\" derive the key relation(s) associated...

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Physics

1: A) Starting with two slits, separated by a distance \"d,\"derive the key relation(s) associated with locating interferencepatterns.

B) Explain the effect on interference patterns if the number ofslits is increased (but \"d\" remains the same).

C) Outline an experiment you can perform to determine thewavelength of a laser pointer (max intensity of 5mWatt) using\"basic\" lab equipment.

Answer & Explanation Solved by verified expert
3.6 Ratings (392 Votes)
A Yougs Double Slit experimentThis is a classic example of interference effects in lightwaves Two light rays pass through two slits separated by adistance d and strike a screen a distance L from the slits asin Figure belowIf d L then the difference in path lengthr1 r2 travelled by the two rays isapproximatelyr1 r2 Where angle isapproximately equal to the angle that the rays make relative to aperpendicular line joining the slits to the screenIf the rays were in phase when they passed through the slits thenthe    See Answer
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