Answered: 6) Light from a 620 nm wavelength laser…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Wave Optics

Section27.8: The Diff Raction Grating

Problem 27.6QQ: Ultraviolet light of wavelength 350 nm is incident on a diffraction grating with slit spacing d and...

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use the following values whenever necessary:

Acceleration of gravity g = 9.8 m/s².
Density of water ρ = 1000 kg/m³
Atmospheric pressure: pₐₜₘ = 101325 Pa
Refractive index of air nₐᵣ = 1

6) Light from a 620 nm wavelength laser passes through a diffraction grating with 4000 lines/cm in vacuum. The resulting pattern is seen on a far curved screen that can show all the bright bangs with direction up to, and including, ±90.0° from the center point. (a) What is the TOTAL number of bright bangs that will appear on the screen? (b) Now the system is immersed in a liquid and you notice that two more bright bangs appear, one above and one below. What is the minimum index of refraction of the liquid?

(a) 11 (b) n = 1.55

(a) 7 (b) n = 1.55

(a) 9 (b) n = 1.24

(a) 11 (b) n = 1.24

(a) 9 (b) n = 1.33

(a) 7 (b) n = 1.33

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