Diffraction grating produces its third-order bright
band at an angle of 79.4 ∘ for light of wavelength
791 nm .
Part A
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Physics
Diffraction grating produces its third-order brightband at an angle of 79.4 ∘ for light of wavelength791 nm .
Part A
Find the number of slits per centimeter for thegrating.
n =Â
Part B
Find the angular location of the first-order brightband.
θ1 =Â
Part C
Find the angular location of the second-order brightband.
θ2 =Â
Part D
Will there be a fourth-order bright band?
Answer & Explanation
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4.0 Ratings (521 Votes)
The basic equation for calculating the diffraction patterncaused due to the grating is given bywhere d distance between the slits m order of the band wavelength and is
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