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monochromatic light with the wavelength ? falls on the diffraction grating with the grating constant d=6? . at what angle will the third diffraction maximum be observed?

monochromatic light with the wavelength ? falls on the diffraction grating with the grating constant d=6? . at what angle will the third diffraction maximum be observed?

Grade:12th pass

2 Answers

Nirmal Singh.
askIITians Faculty 44 Points
10 years ago 
please let me know the wavelength. if wavelength is known then we can use 
d*sin theta = n lambda
where d = 6 , n =1 and value of lambda
and we can calculate the angle theta
Thanks & Regards.
Nirmal Singh
Askiitians Faculty
Diana
12 Points
10 years ago
hello :) the question like this , i need all the levels that solve it monochromatic light with the wavelength ? falls on the diffraction grating with the grating constant d=6? . at what angle will the third diffraction maximum be observed?

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