Light of wavelength 692 nm in air passes into window glass with an index of refraction of 1.52 .

Name: Problem 21, Chapter 22: Physics
Uploaded: 2020-06-27T03:23:38-08:00
Duration: 1 min 8 s
Channel: Mayukh Banik
Description: Light of wavelength 692 nm in air passes into window glass with an index of refraction of 1.52 . (a) What is the wavelength of the light inside the glass? (b) What is the frequency of the light inside the glass?

step 1 Weaves length of light in glass is given by Weavesend in vacuum divided by refractive index of g

Question

Light of wavelength $692 \mathrm{nm}$ in air passes into window glass with an index of refraction of 1.52 . (a) What is the wavelength of the light inside the glass? (b) What is the frequency of the light inside the glass?

   Light of wavelength $692 \mathrm{nm}$ in air passes into window glass with an index of refraction of 1.52 .
(a) What is the wavelength of the light inside the glass?
(b) What is the frequency of the light inside the glass?

Physics

Robert Coleman… 5th Edition

Chapter 22, Problem 21

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Solved by Expert Mayukh Banik

06/27/2020

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Light of wavelength $692 \mathrm{nm}$ in air passes into window glass with an index of refraction of 1.52 . (a) What is the wavelength of the light inside the glass? (b) What is the frequency of the light inside the glass?

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Key Concepts

Frequency Invariance

Frequency is an intrinsic property of the light wave that remains unchanged as the light moves from one medium to another. This invariance is due to the continuity of the wave's oscillations at the boundary, ensuring that the rate of wavefronts passing a point per second is consistent across different media.

Wavelength in a Medium

The wavelength of light changes when it enters a medium with a different refractive index, while its frequency remains constant. The new wavelength is obtained by dividing the wavelength in vacuum (or air) by the medium's refractive index.

Index of Refraction

The index of refraction is a measure of how much the speed of light is reduced inside a medium compared to its speed in vacuum. It quantifies the optical density of the material and is defined as the ratio of the speed of light in vacuum to the speed of light in the medium.

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