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 13A
When a wave crosses a surface at an angle from one medium into another, why does it change directions as it moves across the boundary into the new medium?
Expert Solution & Answer
To determine
To Explain:The reason for changing the direction of the wave when it travels from one medium to another.
Explanation of Solution
Introduction:
When the light travels from one medium to other, the wave changes its direction.
The change in the direction of a wave when it crosses the boundary is known as refraction. The refraction is accomplished as the speed and the wavelength for the wave is different in a different medium, this changes the direction of the wave as it crosses the boundary. The medium may be rare or dense. If the wave crosses from rare to denser it deviates towards the normal and if the wave crosses from denser to rarer, the wave bends away from the normal.
Conclusion:
The refraction is accomplished by the change of speed and wavelength of the wave.
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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