Answered: exiting the glass is 27.0% of the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

(a) A sheet of a certain type of glass is transparent but tinted red. To measure its light-absorbing properties, beams of monochromatic light from two different lasers are shined through the glass. One laser emits red light with a wavelength of 630 nm, while the other emits blue light with a wavelength of 460 nm. What is the frequency of the light emitted (in Hz) from each laser?

red ? Hz

blue ? Hz

(b)

The glass absorbs 73.0% of the energy of the blue light; that is, the intensity of the blue light just after exiting the glass is 27.0% of the intensity just before entering. (The sheet of glass is thin and the laser beam narrow, so the intensity change is not due to any widening of the beam.)

Find the ratio of the amplitude of the blue light's electromagnetic wave before entering the glass to the amplitude after exiting the glass.

E_{max, f}

E_{max, i}

= ?

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