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Collimated red light (656.281 6 nm) from a hydrogen discharge lamp falls perpendicularly onto a transmission grating.

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Collimated red light (656.281 6 nm) from a hydrogen discharge lamp falls perpendicularly onto a transmission grating. The beam emerges forming a red line in the second-order spectrum at an angle of 42.00º with the central axis. Compute the number of lines per centimeter the grating must have. Determine the angular location of the blue (486.132 7 nm) line in the second-order hydrogen spectrum.

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a sin 0 m a m sin m 0 2971 ...View the full answer


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Mugdha Sisodiya
My self Mugdha Sisodiya from Chhattisgarh India. I have completed my Bachelors degree in 2015 and My Master in Commerce degree in 2016. I am having expertise in Management, Cost and Finance Accounts. Further I have completed my Chartered Accountant and working as a Professional. Since 2012 I am providing home tutions.
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Optics

Optics

ISBN: 978-0133977226

5th edition

Authors: Eugene Hecht

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