   Chapter 27, Problem 10PE

Chapter
Section
Textbook Problem

Calculate the wavelength of light that has its third minimum at an angle of 30.0° when falling on double slits separated by 3.00 μ m. Explicitly, show how you follow the steps in Problem-Solving Strategies for Wave Optics.

To determine

The wavelength of light

Explanation

Given info:

The wavelength of light that has its third minimum at an angle of 30ο when falling on double slits separated by 3μm

Formula used:

dsinθ=(m+12)λ  for m =0,1,2,3.......

Here, d is the distance between slits, θ is the angle from the original direction of the beam, m is the order of maxima or minima and λ is wavelength of light.

Calculation:

We have, d=3μm, θ=30ο

Substituting the values for third minimum, we get

(

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