Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 14.1, Problem 1aT
In the magnified view of the slits, an arrow is drawn showing the direction from slit
• draw an arrow to indicate the approximate direction from slit
• identify and label the line segment that represents the path length difference from the slits to point X.
For small angles ( (where ( is measured in radians), what is the approximate path length difference?
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Part A
Sound with frequency 1270 Hz leaves a room through a doorway with a width of 1.15 m . At what minimum angle relative to the centerline perpendicular to the doorway will someone outside the room hear no sound? Use 344 m/s for the speed of sound in air and assume
that the source and listener are both far enough from the doorway for Fraunhofer diffraction to apply. You can ignore effects of reflections.
Express your answer in radians.
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V ΑΣΦ
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radians
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An object is 64 cm from a screen
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Express your answer with the appropriate units.
R=
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Units
Part A
How far away can a human eye distinguish two car headlights 2.2 m apart? Consider only diffraction effects and assume an eye pupil diameter of 5.5 mm and a wavelength of 560 nm.
Express your answer to two significant figures and include the appropriate units.
L = 1.8x104 m
Submit
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Part B
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What is the minimum angular separation an eye could resolve when viewing two stars, considering only diffraction effects?
Express your answer using two significant figures.
VE ΑΣΦ
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X Incorrect; Try Again; One attempt remaining
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Chapter 14 Solutions
Tutorials in Introductory Physics
Ch. 14.1 - In the magnified view of the slits, an arrow is...Ch. 14.1 - For what values of the path length difference...Ch. 14.1 - Suppose that a single change were made to the...Ch. 14.1 - Prob. 2aTCh. 14.1 - Prob. 2bTCh. 14.1 - Prob. 2cTCh. 14.1 - Use trigonometry to show that the path length...Ch. 14.1 - Prob. 3bTCh. 14.2 - How does the voltmeter reading compare to the...Ch. 14.2 - Prob. 1bT
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