Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.24 m from the grating. Part A In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 2.84 mm. What is the difference between these wavelengths? Express your answer in meters.

Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.24 m from the grating. Part A In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 2.84 mm. What is the difference between these wavelengths? Express your answer in meters.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 118CP: Blue light of wavelength 450 nm falls on a slit of width 0.25 mm. A converging lens of focal length...

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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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Light of Differing Wavelengths on a Diffraction Grating
Visible light passes through a diffraction grating that has 900 slits per centimeter, and the
interference pattern is observed on a screen that is 2.24 m from the grating.
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Part A
In the first-order spectrum, maxima for two different wavelengths are separated on the screen by 2.84 mm. What is the difference between these wavelengths?
Express your answer in meters.
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