Having become stranded in a remote wilderness area, youmust live off the land while you wait for rescue. One morning,you attempt to spear a fish for breakfast.hYou spot a fish in a shallow river. Your first instinct is to aimthe spear where you see the image of the fish, at an angle$ = 43.40° with respect to the vertical, as shown in the figure.However, you know from physics class that you should notImagethrow the spear at the image of the fish, because the actuallocation of the fish is farther down than it appears, at a depthHof H0.9500 m. This means you must decrease the angle atwhich you throw the spear. This slight decrease in the angle isrepresented as a in the figure.If you throw the spear from a height h :1.200 m above thewater, calculate the angle decrease a. Assume that the indexof refraction is 1.000 for air and 1.330 for water.

Given, ϕ=43.40H=0.95 mh=1.2 mRefractive index of air na=1.Refractive index of water nw=1.33From…

Having become stranded in a remote wilderness area, you must live off the land while you wait for rescue. One morning, you attempt to spear a fish for breakfast. You spot a fish in a shallow river. Your first instinct is to aim the spear where you see the image of the fish, at an angle ф = 43.40° with respect to the vertical, as shown in the figure. However, you know from physics class that you should not throw the spear at the image of the fish, because the actual location of the fish is farther down than it appears, at a depth of H = 0.9500 m. This means you must decrease the angle at which you throw the spear. This slight decrease in the angle is represented as a in the figure.

Having become stranded in a remote wilderness area, you must live off the land while you wait for rescue. One morning, you attempt to spear a fish for breakfast. You spot a fish in a shallow river. Your first instinct is to aim the spear where you see the image of the fish, at an angle ф = 43.40° with respect to the vertical, as shown in the figure. However, you know from physics class that you should not throw the spear at the image of the fish, because the actual location of the fish is farther down than it appears, at a depth of H = 0.9500 m. This means you must decrease the angle at which you throw the spear. This slight decrease in the angle is represented as a in the figure.

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

Having become stranded in a remote wilderness area, you
must live off the land while you wait for rescue. One morning,
you attempt to spear a fish for breakfast.
h
You spot a fish in a shallow river. Your first instinct is to aim
the spear where you see the image of the fish, at an angle
$ = 43.40° with respect to the vertical, as shown in the figure.
However, you know from physics class that you should not
Image
throw the spear at the image of the fish, because the actual
location of the fish is farther down than it appears, at a depth
H
of H
0.9500 m. This means you must decrease the angle at
which you throw the spear. This slight decrease in the angle is
represented as a in the figure.
If you throw the spear from a height h :
1.200 m above the
water, calculate the angle decrease a. Assume that the index
of refraction is 1.000 for air and 1.330 for water.

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