College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter11: Energy In Thermal Processes
Section: Chapter Questions
Problem 13P: A certain steel railroad rails 13 yd in length and weighs 70.0 lb/yd How much thermal energy is...
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Chapter 25: Problem 9: A beam of light moves through a slab of glass as shown in the figure. The index of refraction of the glass is ng = 1.5. The index of refraction of air is na = 1. The incident angle of the light is θi = 44°.
a) If the refraction angle of the light at the upper surface of the slab is θ1, express sinθ1 in terms of θi, na, and ng.
b) The incident angle of the light on the lower surface of the slab is θ2. What is the relation between θ1 and θ2?
c) The refraction angle of the light on the lower surface of the slab is θf. Express sin(θf) in terms of θ2, na, and ng.
d) What is the final angle θf in degrees?
Transcribed Image Text:air
glass
air
0₂₁
002
0f
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