15. Orange light of 605 nm goes through a diffraction grating with 580 lines/mm and onto a screen 1.5 m away from the grating. How far apart are the first and second order fringes on the screen? [0.92 m]
15. Orange light of 605 nm goes through a diffraction grating with 580 lines/mm and onto a screen 1.5 m away from the grating. How far apart are the first and second order fringes on the screen? [0.92 m]
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![15. Orange light of 605 nm goes through a diffraction grating with 580 lines/mm and onto a screen 1.5 m away
from the grating. How far apart are the first and second order fringes on the screen? [0.92 m]
16. a. White light shines through a diffraction grating and onto a screen. You can just see 5 full orders of
spectra. How many lines/mm is the grating? [267 lines/mm]
b. "White light" means all the colors together. Why do we use only one wavelength for this calculation?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fceb231bb-4889-4f0f-bd6e-23cbc9665b0b%2F314fabb6-e8a5-45a2-ad62-3bb3f255874b%2Fxjxkb4w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:15. Orange light of 605 nm goes through a diffraction grating with 580 lines/mm and onto a screen 1.5 m away
from the grating. How far apart are the first and second order fringes on the screen? [0.92 m]
16. a. White light shines through a diffraction grating and onto a screen. You can just see 5 full orders of
spectra. How many lines/mm is the grating? [267 lines/mm]
b. "White light" means all the colors together. Why do we use only one wavelength for this calculation?
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