You are standing 250 m away from the source of a spherical sound wave, which has an intensity level at your location of 80.0 dB.a) What is the power output by the source of the sound wave? *Show your work.*b) Your ear has a surface area of \( 2.1 \times 10^{-3} \, \text{m}^2 \). How much power is incident on your ear from the sound wave? *Show your work.* In the image to the right, a light ray traveling in Medium 1 is incident on a boundary with Medium 2. The light ray is then shown traveling into Medium 2.a) On the picture, draw the appropriate normal line.b) Does light travel faster in Medium 1, in Medium 2, or is the speed of light the same in both? **Explain briefly in words.****Diagram Explanation:**The diagram shows a light ray crossing from Medium 1 into Medium 2. The boundary between the two media is represented by a straight line. The incident ray from Medium 1 and the refracted ray in Medium 2 are shown with arrows indicating the direction of light propagation. No normal line is depicted in the diagram.

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You are standing 250 m away from the source of a spherical sound wave, which has an intensity level at your location of 80.0 dB. a) What is the power output by the source of the sound wave? Show your work. b) Your ear has a surface area of 2.1 x 10-3 m². How much power is incident on your ear from the sound wave? Show your work.

You are standing 250 m away from the source of a spherical sound wave, which has an intensity level at your location of 80.0 dB. a) What is the power output by the source of the sound wave? Show your work. b) Your ear has a surface area of 2.1 x 10-3 m². How much power is incident on your ear from the sound wave? Show your work.

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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