Three discrete spectral lines occur at angles of 10.5°, 13.6°, and 14.7°, respectively, in the first-order spectrum of a diffraction grating spectrometer. (a) If the grating has 3770 slits/cm, what are the wavelengths of the light? ?1 = Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. nm (10.5°) ?2 = Your response differs from the correct answer by more than 10%. Double check your calculations. nm (13.6°) ?3 = Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. nm (14.7°) (b) At what angles are these lines found in the second-order spectra? ? = ° (?1) ? = ° (?2) ? = ° (?3)

Three discrete spectral lines occur at angles of 10.5°, 13.6°, and 14.7°, respectively, in the first-order spectrum of a diffraction grating spectrometer. (a) If the grating has 3770 slits/cm, what are the wavelengths of the light? ?1 = Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. nm (10.5°) ?2 = Your response differs from the correct answer by more than 10%. Double check your calculations. nm (13.6°) ?3 = Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. nm (14.7°) (b) At what angles are these lines found in the second-order spectra? ? = ° (?1) ? = ° (?2) ? = ° (?3)

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 102AP: Radio telescopes are telescopes used for the detection of radio emission from space. Because radio...

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?₁	= Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. nm (10.5°)
?₂	= Your response differs from the correct answer by more than 10%. Double check your calculations. nm (13.6°)
?₃	= Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. nm (14.7°)

?	= ° (?₁)
?	= ° (?₂)
?	= ° (?₃)