The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light from a hydrogen lamp illuminates a diffraction grating with 550 lines/mm, and the light is observed on a screen 1.3 m behind the grating. ▼ Part A What is the distance between the first-order red and blue fringes? Express your answer to two significant figures and include the appropriate units. d= Submit μA Value Request Answer Units ? 4
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light from a hydrogen lamp illuminates a diffraction grating with 550 lines/mm, and the light is observed on a screen 1.3 m behind the grating. ▼ Part A What is the distance between the first-order red and blue fringes? Express your answer to two significant figures and include the appropriate units. d= Submit μA Value Request Answer Units ? 4
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Transcribed Image Text:The two most prominent wavelengths in the light emitted by a
hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light
from a hydrogen lamp illuminates a diffraction grating with 550
lines/mm, and the light is observed on a screen 1.3 m behind the
grating.
T
Part A
What is the distance between the first-order red and blue fringes?
Express your answer to two significant figures and include the appropriate units.
Submit
μÁ
Value
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Units
2
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