# ConstAfter a laser beam passes through two thin parallel slits, the firstcompletely dark fringes occur at ±17.0° with the original directionPart Aof the beam, as viewed on a screen far from the slits.What is the ratio of the distance between the slits to the wavelength of the light illuminating the slits?Ηνα ΑΣφPrevious AnswersRequest AnswerSubmitX Incorrect; Try Again; 3 attempts remainingThe correct answer does not depend on: R.Part BWhat is the smallest positive angle, relative to the original direction of the laser beam, at which the intensity of the light isthe maximum intensity on the screen?πνα ΑΣφA=Request AnswerSubmit

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I need help with both parts.

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Step 1

(A) Write the condition for destructive interference

Step 2

Substitute the values

Step 3

(B) Write the relation between the maximum in...

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