19 A diver with a flashlight shines a light beam upward from the bottom of a pool at an angle of incidence of 40°. The light leaves the surface of the pool at an angle of refraction of 60°. Calculate the index of refraction of the water in the pool. O 1.5 O 1.3 O0.74

19 A diver with a flashlight shines a light beam upward from the bottom of a pool at an angle of incidence of 40°. The light leaves the surface of the pool at an angle of refraction of 60°. Calculate the index of refraction of the water in the pool. O 1.5 O 1.3 O0.74

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter25: Geometric Optics

Section: Chapter Questions

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

19
A diver with a flashlight shines a light beam upward from the bottom of a pool at an angle of
incidence of 40°. The light leaves the surface of the pool at an angle of refraction of 60°.
Calculate the index of refraction of the water in the pool.
O 1.5
O 1.3
O 0.74
0.67

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