Problem1
Section 27.1: The Wave Aspect of Light: Interference

Question

Show that when light passes from air to water, its wavelength decreases to 0.750 times its original value.

Question by OpenStax is licensed under CC BY 4.0

Final Answer

0.750.75

Solution video

5.0 (3)
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Comments

aman ezekiel·
The wave function for a longitudinal sound wave in an air-filled tube is given by S(z,t)= So cos (kz – ? - ∅ ). The amplitude of the motion of the driving piston is 2x10 -3 m and the frequency is 10 3 Hz. The temperature of the air is 20o C and the equilibrium density is ? = 1.20kgm . Note that the speed of sound at room temperature T(o C) is given by 273 √ V(T-3 o C) = V(0o C) 1 T + ( oC ) (a) Obtain an expression for (i) velocity of the gas matter and (ii) the acoustic pressure (b) Obtain the an expression for the time average power that is transported along the tube (c) Determine the speed and wavelength of the wave (d) Find the intensity of the sound wave. can a human tolerate such intensity? Justify I need help
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ShaunDychko·
Hi aman, in order to keep a lid on the time needed to answer questions I only answer questions in the College Physics textbook. All the best, Shaun
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hizard7·
How come from this chapter and out only every other question is shown? Can we expect to see this updated in the next few weeks or is this a permanent feature?
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ShaunDychko·
Hello hizard7, Thank you very much for the comment. This is definitely not permanent! I'm working on evens in the AP section and finished up to chapter 19 so far... yes, I think in a few weeks I'll reach chapter 27 to fill in the evens for both the Problems and Exercises and AP sections. Thanks for the encouragement :) I hope the odds are helpful enough in the mean time. Best wishes, Shaun
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