One way to measure the width of a narrow object is to examine its diffraction pattern. When laser light is shone on a long, thin object, such as a straightened strand of human hair, the resulting diffraction pattern has minima at the same angles as for a slit of the same width. If a laser of wavelength 632.8 nm directed onto a hair produces a diffraction pattern on a screen 3.60 m away and the width of the central maximum is 1.50 cm, what is the thickness of the hair? um
One way to measure the width of a narrow object is to examine its diffraction pattern. When laser light is shone on a long, thin object, such as a straightened strand of human hair, the resulting diffraction pattern has minima at the same angles as for a slit of the same width. If a laser of wavelength 632.8 nm directed onto a hair produces a diffraction pattern on a screen 3.60 m away and the width of the central maximum is 1.50 cm, what is the thickness of the hair? um
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter4: Diffraction
Section: Chapter Questions
Problem 76P: On a certain crystal, a first-order X-ray diffraction maximum is observed at an angle of 27.1°...
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![One way to measure the width of a narrow object is to examine its diffraction pattern. When laser light is shone on a long, thin object,
such as a straightened strand of human hair, the resulting diffraction pattern has minima at the same angles as for a slit of the same
width. If a laser of wavelength 632.8 nm directed onto a hair produces a diffraction pattern on a screen 3.60 m away and the width of
the central maximum is 1.50 cm, what is the thickness of the hair?
um](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbeda2708-6e0a-400e-bdde-51711af4864b%2F057a347f-a140-4e4e-8826-e5b177dc29ee%2Fvbht0ya_processed.png&w=3840&q=75)
Transcribed Image Text:One way to measure the width of a narrow object is to examine its diffraction pattern. When laser light is shone on a long, thin object,
such as a straightened strand of human hair, the resulting diffraction pattern has minima at the same angles as for a slit of the same
width. If a laser of wavelength 632.8 nm directed onto a hair produces a diffraction pattern on a screen 3.60 m away and the width of
the central maximum is 1.50 cm, what is the thickness of the hair?
um
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