wo flat glass plates are separated by a distance d = 123 nm. There is d directly down on the glass. One ray reflects off the top surface of the top oil layer, and a second ray reflects off the bottom surface of the oil layer. The index of refraction of the glass is ng = 1.49, and the index of refraction of the oil is no = 1.25. glass glass a. For each ray state whether there is a ½à phase change, or no phase change. ONLY 1 ATTEMPT IS ALLOWED FOR EACH. Ray 1: ---Select--- Ray 2: ---Select--- b. What is the extra path length that Ray 2 must travel in the oil? nm c. What is the longest wavelength of light in a vacuum which will give constructive interference for these two reflected ray nm

wo flat glass plates are separated by a distance d = 123 nm. There is d directly down on the glass. One ray reflects off the top surface of the top oil layer, and a second ray reflects off the bottom surface of the oil layer. The index of refraction of the glass is ng = 1.49, and the index of refraction of the oil is no = 1.25. glass glass a. For each ray state whether there is a ½à phase change, or no phase change. ONLY 1 ATTEMPT IS ALLOWED FOR EACH. Ray 1: ---Select--- Ray 2: ---Select--- b. What is the extra path length that Ray 2 must travel in the oil? nm c. What is the longest wavelength of light in a vacuum which will give constructive interference for these two reflected ray nm

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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Concept explainers

Refraction of Light

Refraction is a change in the direction of light rays when they travel from one medium to another. It is the bending of light when it goes through different media.

Angle of Refraction

Light is considered by many scientists to have dual nature, both particle nature and wave nature. First, Particle nature is one in which we consider a stream of packets of energy called photons. Second, Wave nature is considering light as electromagnetic radiation whereas part of it is perceived by humans. Visible spectrum defined by humans lies in a range of 400 to 700 nm wavelengths.

Index of Refraction of Diamond

Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.

Question

Two flat glass plates are separated by a distance d = 123 nm. There is a layer of oil between the plates. White light shines
directly down on the glass. One ray reflects off the top surface of the top oil layer, and a second ray reflects off the bottom
surface of the oil layer. The index of refraction of the glass is na = 1.49, and the index of refraction of the oil is no = 1.25.
glass
glass
a. For each ray state whether there is a ½2 phase change, or no phase change. ONLY 1 ATTEMPT IS ALLOWED FOR EACH.
Ray 1:
---Select---
Ray 2:
---Select---
b. What is the extra path length that Ray 2 must travel in the oil?
nm
c. What is the longest wavelength of light in a vacuum which will give constructive interference for these two reflected rays?
nm

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