Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Textbook Question
Chapter 29, Problem 18A
If you can see the face of a friend who is underwater, can she also see you?
Expert Solution & Answer
To determine
To Explain: Whether a person underwater can see another person’s face who is outside the water.
Answer to Problem 18A
Yes, she can see you because of refraction of light.
Explanation of Solution
Introduction: Change in the direction of light or bending of light when it (light) travels from one medium to different medium, known as Refraction.
It is known that the path of lights is reversible for refraction and reflection. These two processes help in seeing underwater. So, if you can see the face of a friend who is underwater, she can also see yours face too.
Conclusion: Yes, a person underwater can see another person’s face who is outside the water.
Chapter 29 Solutions
Conceptual Physics: The High School Physics Program
Ch. 29 - What becomes of a waves energy when the wave is...Ch. 29 - Why do smooth metal surfaces make good mirrors?Ch. 29 - Prob. 3ACh. 29 - Prob. 4ACh. 29 - Prob. 5ACh. 29 - When you view your image in a plane mirror, how...Ch. 29 - In what way does the law of reflection hold for...Ch. 29 - Prob. 8ACh. 29 - What is meant by the idea that a surface may be...Ch. 29 - Distinguish between an echo and a reverberation.
Ch. 29 - Prob. 11ACh. 29 - Distinguish between reflection and refraction.Ch. 29 - When a wave crosses a surface at an angle from one...Ch. 29 - What is the orientation of a ray in relation to...Ch. 29 - Give an example where refraction is abrupt, and...Ch. 29 - Prob. 16ACh. 29 - Prob. 17ACh. 29 - If you can see the face of a friend who is...Ch. 29 - Prob. 19ACh. 29 - Prob. 20ACh. 29 - Is daytime a bit longer or is it a bit shorter...Ch. 29 - As light passes through a transparent medium, it...Ch. 29 - Why does blue light refract at greater angles than...Ch. 29 - Prob. 24ACh. 29 - Prob. 25ACh. 29 - Prob. 26ACh. 29 - Prob. 27ACh. 29 - Wheels from a toy cart are rolled from a concrete...Ch. 29 - Identical rays of light enter three transparent...Ch. 29 - Prob. 30ACh. 29 - On a steamy mirror, wipe an area just large enough...Ch. 29 - Suppose that a mirror and three lettered cards are...Ch. 29 - Prob. 33ACh. 29 - Prob. 34ACh. 29 - Prob. 35ACh. 29 - Prob. 36ACh. 29 - Why is an echo weaker than the original sound?Ch. 29 - Suppose you are standing downwind from a barking...Ch. 29 - Does the reflection of a scene in calm water look...Ch. 29 - If you were spearing a fish with a spear, would...Ch. 29 - The photo below shows two identical cola bottles,...Ch. 29 - How do the different speeds of light in thin air...Ch. 29 - Very short pulses of red light and blue light...Ch. 29 - Prob. 44ACh. 29 - Prob. 45ACh. 29 - Prob. 46ACh. 29 - Prob. 47ACh. 29 - When light strikes glass perpendicularly, about 4%...Ch. 29 - Suppose you walk toward a mirror at 1 m/s. How...Ch. 29 - A radio wave sent into space strikes an asteroid...Ch. 29 - A spider hangs by a strand of silk at eye level 20...Ch. 29 - Prob. 52ACh. 29 - Stand in front of a mirror and put two pieces of...Ch. 29 - What effect does your distance from the mirror...Ch. 29 - Prob. 55A
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