Constants Suppose that you have a reflection diffraction grating with n- 105 lines per millimeter. Light from a sodium lamp passes through the grating and is diffracted onto a distant screen. Part A Two visible lines in the sodium spectrum have wavelengths 498 nm and 569 nm. What is the angular separation A0 of the first maxima of these spectral lines generated by this diffraction grating? Express your answer in degrees to two significant figures. • View Available Hint(s) ? A = Submit Part B How wide does this grating need to be to allow you to resolve the two lines 589.00 and 589.59 nanometers, which are a well known pair of lines for sodium, in the second order (m- 2)? Express your answer in millimeters to two significant figures.

Constants Suppose that you have a reflection diffraction grating with n- 105 lines per millimeter. Light from a sodium lamp passes through the grating and is diffracted onto a distant screen. Part A Two visible lines in the sodium spectrum have wavelengths 498 nm and 569 nm. What is the angular separation A0 of the first maxima of these spectral lines generated by this diffraction grating? Express your answer in degrees to two significant figures. • View Available Hint(s) ? A = Submit Part B How wide does this grating need to be to allow you to resolve the two lines 589.00 and 589.59 nanometers, which are a well known pair of lines for sodium, in the second order (m- 2)? Express your answer in millimeters to two significant figures.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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.

Question

Constants
Suppose that you have a reflection diffraction grating
with n = 105 lines per millimeter. Light from a
sodium lamp passes through the grating and is
diffracted onto a distant screen.
Part A
Two visible lines in the sodium spectrum have wavelengths 498 nm and 569 nm. What is the angular separation Ae of the
first maxima of these spectral lines generated by this diffraction grating?
Express your answer in degrees to two significant figures.
• View Available Hint(s)
Ae =
Submit
Part B
How wide does this grating need to be to allow you to resolve the two lines 589.00 and 589.59 nanometers, which are a well
known pair of lines for sodium, in the second order (m = 2)?
Express your answer in millimeters to two significant figures.

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