As shown above, two beams of laser light are shown onto two different pieces of plastic. The two beams both have a wavelength of λ = 600 nm and start out in phase 2.5 m to the left of the plastic pieces. The top piece, #1, has an index of refraction of 1.4 and a thickness of 4 µm. The bottom piece, #2, has an index of refraction of 1.6 and a thickness of 3.5 μm. The beams continue on and shine on a wall 2.2 m to the right. 0.35 1) Expressed in terms of wavelengths, what is their phase difference when they both have emerged from the plastic? 3 Submit 2) Which light beam will have the longer wavelength after they both have emerged from the plastic? · (1) Top Beam #1, . (2) Bottom Beam #2, or (3) There will be no difference 3 1 Submit 3 2 3) Which light beam will have the higher frequency after they both have emerged from the plastic? (1) Top Beam #1, . (2) Bottom Beam #2, or . (3) There will be no difference Submit 4) Which light beam will hit the wall to the right first after they both have emerged from the plastic? (1) Top Beam #1, (2) Bottom Beam #2, or (3) There will be no difference Submit + +

As shown above, two beams of laser light are shown onto two different pieces of plastic. The two beams both have a wavelength of λ = 600 nm and start out in phase 2.5 m to the left of the plastic pieces. The top piece, #1, has an index of refraction of 1.4 and a thickness of 4 µm. The bottom piece, #2, has an index of refraction of 1.6 and a thickness of 3.5 μm. The beams continue on and shine on a wall 2.2 m to the right. 0.35 1) Expressed in terms of wavelengths, what is their phase difference when they both have emerged from the plastic? 3 Submit 2) Which light beam will have the longer wavelength after they both have emerged from the plastic? · (1) Top Beam #1, . (2) Bottom Beam #2, or (3) There will be no difference 3 1 Submit 3 2 3) Which light beam will have the higher frequency after they both have emerged from the plastic? (1) Top Beam #1, . (2) Bottom Beam #2, or . (3) There will be no difference Submit 4) Which light beam will hit the wall to the right first after they both have emerged from the plastic? (1) Top Beam #1, (2) Bottom Beam #2, or (3) There will be no difference Submit + +

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter38: Refraction And Images Formed By Refraction

Section: Chapter Questions

Problem 96PQ

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