Light from a laser is propagating in the horizontal direction when it strikes a vertical wall. If the time-averaged intensity of the light from the laser beam is 1,500 watts/m2, what pressure does the beam exert on the wall? a.4.5 x 10-6 Pa b.4.0 x 10-6 Pa c.3.5 x 10-6 Pa d.3.0 x 10-6 Pa e.5.0 x 10-6 Pa

Intensity (I) = 1500 w/m2 Speed of light (c) = 3×108 m/s

Answered: Light from a laser is propagating in…

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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Light from a laser is propagating in the horizontal direction when it strikes a vertical wall. If the time-averaged intensity of the light from the laser beam is 1,500 watts/m², what pressure does the beam exert on the wall?

a.

4.5 x 10^-6 Pa

b.

4.0 x 10^-6 Pa

c.

3.5 x 10^-6 Pa

d.

3.0 x 10^-6 Pa

e.

5.0 x 10^-6 Pa

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