A grating is given with the wavelength 400nm, angle of incidence 45° and the angle of reflection 7°. Number of lines per millimeter for grating for first order diffraction is to be determined. Concept introduction: Calculation of spacing between reflecting surface is done by the following formula m λ = d ( sin i + sin r ) And the number of lines is calculated by- no . of lines = 1 d

BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213
BuyFind

Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213

Solutions

Chapter 7, Problem 7.12QAP
Interpretation Introduction

Interpretation:

A grating is given with the wavelength 400nm, angle of incidence 45° and the angle of reflection 7°. Number of lines per millimeter for grating for first order diffraction is to be determined.

Concept introduction:

Calculation of spacing between reflecting surface is done by the following formula

mλ=d(sini+sinr)

And the number of lines is calculated by-

no. of lines=1d

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