A) \[150{}^\circ \]
B) \[120{}^\circ \]
C) \[90{}^\circ \]
D) \[60{}^\circ \]
Correct Answer: B
Solution :
\[i+r={{60}^{o}}\] For mirrors, \[i=r\] So, \[i={{30}^{o}}\] \[\therefore \] \[\delta =180-2i={{120}^{o}}\]You need to login to perform this action.
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