21. Light From a Helium-Neon lase (2-632.8 nm) is incident normally on diffraction grading containing 6000 grooves per centimeter. Find angles at which the first and second order maxima are observed. 22. A light source emits visible light of two wavelengths: 1=430 nm and (A1=510 nm). The source is used in a double-slit interference experiment in which L=1.5 m and d=0.025 mm. Find the separation distance between the third-order bright fringes for the two wavelengths.
21. Light From a Helium-Neon lase (2-632.8 nm) is incident normally on diffraction grading containing 6000 grooves per centimeter. Find angles at which the first and second order maxima are observed. 22. A light source emits visible light of two wavelengths: 1=430 nm and (A1=510 nm). The source is used in a double-slit interference experiment in which L=1.5 m and d=0.025 mm. Find the separation distance between the third-order bright fringes for the two wavelengths.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter30: Atomic Physics
Section: Chapter Questions
Problem 53PE: (a) What is the distance between the slits of a diffraction grating that produces a first-order...
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