Explanation Given: The angle of fish below the horizontal is, 64 ° . The height of the gun barrel is, h = 1.5 m . The depth of the fish is, d = 1.2 m . The given diagram is shown in Figure 1 Figure 1 Formula used: The expression for the angle below the horizontal to aim the fish is given by, α = tan − 1 ( h + d h tan θ 1 + d tan θ 2 ) Here, n 1 = 1 is the refractive index of air medium, n 2 = 1.33 is the refractive index of water medium. Calculation: From Snell law, the expression is written as, n 1 sin θ 1 = n 2 sin θ 2 θ 2 = ( sin − 1 ( n 1 n 2 sin θ 1 ) ) The angle below the horizontal to aim the fish can be calculated as, α = tan − 1 ( h

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ISBN: 9781429281843

Author: Tipler

Publisher: MAC HIGHER

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Chapter 31, Problem 36P

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The angle below the horizontal to aim the fish.

Solution Summary: The author calculates the angle below the horizontal to aim the fish using Snell law.

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