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How many nanoseconds does the light take to pass through the glass along the angled path shown here? 1.1 Review the definition of index of refraction. Double-check your units. Double-check your value for the speed of light in a va

How many nanoseconds does the light take to pass through the glass along the angled path shown here? 1.1 Review the definition of index of refraction. Double-check your units. Double-check your value for the speed of light in a va

College Physics
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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Please read and answer (f).

A ray of light strikes a flat glass block at an incidence angle of e, = 37.0°. The glass is 2.00 cm thick and has an index of refraction that equals n, = 1.15. (a) What is the angle of refraction, 0,, that describes the light ray after it enters the glass from above? (Enter your answer in degrees to at least 2 decimal places.) 31.56 (b) With what angle of incidence, 02, does the ray approach the interface at the bottom of the glass? (Enter your answer in degrees to at least 2 decimal places.) 31.56 (c) With what angle of refraction, 8, does the ray emerge from the bottom of the glass? (Enter your answer in degrees to at least 1 decimal place.) 37.006 (d) The distance d separates the twice-bent ray from the path it would have taken without the glass in the way. What is this distance (in cm)? 0.22 cm (e) At what speed (in m/s) does the light travel within the glass? 2.61e8 m/s (f) How many nanoseconds does the light take to pass through the glass along the angled path shown here? 1.1 Review the definition of index of refraction. Double-check your units. Double-check your value for the speed of light in a vacuum. ns (g) Is the travel time through the block affected by the angle of incidence (and if so, how)? O No, the time taken for the light to traverse the block is independent of incidence angle. O Yes, a slightly larger angle will decrease the travel time. O Yes, a slightly larger angle will increase the travel time. 2.00 cm
Transcribed Image Text:A ray of light strikes a flat glass block at an incidence angle of e, = 37.0°. The glass is 2.00 cm thick and has an index of refraction that equals n, = 1.15. (a) What is the angle of refraction, 0,, that describes the light ray after it enters the glass from above? (Enter your answer in degrees to at least 2 decimal places.) 31.56 (b) With what angle of incidence, 02, does the ray approach the interface at the bottom of the glass? (Enter your answer in degrees to at least 2 decimal places.) 31.56 (c) With what angle of refraction, 8, does the ray emerge from the bottom of the glass? (Enter your answer in degrees to at least 1 decimal place.) 37.006 (d) The distance d separates the twice-bent ray from the path it would have taken without the glass in the way. What is this distance (in cm)? 0.22 cm (e) At what speed (in m/s) does the light travel within the glass? 2.61e8 m/s (f) How many nanoseconds does the light take to pass through the glass along the angled path shown here? 1.1 Review the definition of index of refraction. Double-check your units. Double-check your value for the speed of light in a vacuum. ns (g) Is the travel time through the block affected by the angle of incidence (and if so, how)? O No, the time taken for the light to traverse the block is independent of incidence angle. O Yes, a slightly larger angle will decrease the travel time. O Yes, a slightly larger angle will increase the travel time. 2.00 cm
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