A) 45°
B) 39°
C) 20°
D) 30°
Correct Answer: D
Solution :
Given \[i=e=\frac{3}{4}A=\frac{3}{4}\times 60={{45}^{o}}\] In the position of minimum deviation \[2i=A+{{\delta }_{m}}\] or \[{{\delta }_{m}}=2i-A=90-60={{30}^{o}}\]You need to login to perform this action.
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