A (3.70x10^3)-line/cm grating produces a third-order fringe at a (2.942x10^1)° angle. What wavelength of light is being used? Give an answer in nm to 3 sf. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: х10 Answer

A (3.70x10^3)-line/cm grating produces a third-order fringe at a (2.942x10^1)° angle. What wavelength of light is being used? Give an answer in nm to 3 sf. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: х10 Answer

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 22P: (a) Sodium vapor light averaging 589 nm in wavelength falls on a single slit of width 7.50 m. At...

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Concept explainers

Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.

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A (3.70x10^3)-line/cm grating produces a third-order fringe at a (2.942x10^1)°
angle. What wavelength of light is being used? Give an answer in nm to 3 sf.
Note: Your answer is assumed to be reduced to the highest power possible.
Your Answer:
x10
Answer

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In Figure P27.7 (not to scale), let L = 1.20 m and d = 0.120 mm and assume the slit system is illuminated with monochromatic 500-nm light. Calculate the phase difference between the two wave fronts arriving at P when (a) = 0.500 and (b) y = 5.00 mm. (c) What is the value of for which the phase difference is 0.333 rad? (d) What is the value of for which the path difference is /4?
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