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# Calculate the minimum thickness needed for an anti ISBN: 9780130606204 3

## Solution for problem 76GP Chapter 24

Physics: Principles with Applications | 6th Edition

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Problem 76GP

Calculate the minimum thickness needed for an anti reflective coating (n=1.38) applied to a glass lens in order to eliminate (a) blue (450 nm), or (h) red (720 nm) reflections for light at normal incidence.

Step-by-Step Solution:

Step-by-step solution

Step 1 of 4 </p>

The film having refractive index of 1.38 is coated on the surface of a glass. Th refractive index of the glass is bigger than the film. This results interference on the surface of a film as in the picture with a path diffreces of the . Step 2 of 4</p>

The path difference of causes the interference pattern on the surface of the film

with changing thickness d. As in the picture below.  Step 3 of 4

Step 4 of 4

##### ISBN: 9780130606204

The answer to “Calculate the minimum thickness needed for an anti reflective coating (n=1.38) applied to a glass lens in order to eliminate (a) blue (450 nm), or (h) red (720 nm) reflections for light at normal incidence.” is broken down into a number of easy to follow steps, and 35 words. Since the solution to 76GP from 24 chapter was answered, more than 309 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 76GP from chapter: 24 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. This full solution covers the following key subjects: Anti, applied, Blue, calculate, coating. This expansive textbook survival guide covers 35 chapters, and 3914 solutions.

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