A) 0.001 rad
B) 0.01 rad
C) 1 rad
D) 0.1 rad
Correct Answer: A
Solution :
Using \[d\sin \theta =n\lambda ,\]for n =1 \[\sin \theta =\frac{\lambda }{d}=\frac{550\times {{10}^{-9}}}{0.55\times {{10}^{-3}}}={{10}^{-3}}=0.001\ rad\]You need to login to perform this action.
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