What is the condition for the first order diffracted beam, in the optical grating?
Posted: Thu Jul 14, 2022 1:46 pm
a) a tanα=λ
b) a sinα=2λ
c) a sinα=λ
d) a sinα=3λ
b) a sinα=2λ
c) a sinα=λ
d) a sinα=3λ
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