2. Consider the situation described in problem 1 where light emerges horizontally from ground level. Take k = 0.0020 m¹ and no = 1.0001 and find at which horizontal distance, x, the ray reaches a height of y = 1.5 m. (Answer 55 m) 3. As a woman, who's eyes are h = 1.5 m above the ground, looks down the road sees a tree with height H = 9.0 m. Below the tree is what appears to be a reflection of the tree. The observation of this apparent reflection gives the illusion of water on the roadway. This effect is commonly called a mirage. Use the results of questions 1 and 2 and the principle of ray reversibility to analyze the diagram below. Assume that light leaving the top of the tree bends toward the horizontal until it just grazes ground level. After that, the ray bends upward eventually reaching the woman's eyes. The woman interprets this incoming light as if it came from an image of the tree. Determine the size, H', of the image. (Answer 8.8 m) H H' f Th

Principles of Physics: A Calculus-Based Text
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Chapter25: Reflection And Refraction Of Light
Section: Chapter Questions
Problem 62P
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2. Consider the situation described in problem 1 where light emerges horizontally from ground level.

Take k = 0.0020 m' and no = 1.0001 and find at which horizontal distance, x, the ray reaches a height

of y = 1.5 m.

 

2. Consider the situation described in problem 1 where light emerges horizontally from ground level.
Take k = 0.0020 m¹ and no = 1.0001 and find at which horizontal distance, x, the ray reaches a height
of y = 1.5 m. (Answer 55 m)
3. As a woman, who's eyes are h = 1.5 m above the ground, looks down the road sees a tree with height
H = 9.0 m. Below the tree is what appears to be a reflection of the tree. The observation of this apparent
reflection gives the illusion of water on the roadway. This effect is commonly called a mirage. Use the
results of questions 1 and 2 and the principle of ray reversibility to analyze the diagram below. Assume
that light leaving the top of the tree bends toward the horizontal until it just grazes ground level. After
that, the ray bends upward eventually reaching the woman's eyes. The woman interprets this incoming
light as if it came from an image of the tree. Determine the size, H', of the image. (Answer 8.8 m)
H
H'
f Th
Transcribed Image Text:2. Consider the situation described in problem 1 where light emerges horizontally from ground level. Take k = 0.0020 m¹ and no = 1.0001 and find at which horizontal distance, x, the ray reaches a height of y = 1.5 m. (Answer 55 m) 3. As a woman, who's eyes are h = 1.5 m above the ground, looks down the road sees a tree with height H = 9.0 m. Below the tree is what appears to be a reflection of the tree. The observation of this apparent reflection gives the illusion of water on the roadway. This effect is commonly called a mirage. Use the results of questions 1 and 2 and the principle of ray reversibility to analyze the diagram below. Assume that light leaving the top of the tree bends toward the horizontal until it just grazes ground level. After that, the ray bends upward eventually reaching the woman's eyes. The woman interprets this incoming light as if it came from an image of the tree. Determine the size, H', of the image. (Answer 8.8 m) H H' f Th
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