A) \[\left( \frac{\pi }{2}-A \right)\]
B) \[\left( 2\pi -\frac{A}{2} \right)\]
C) \[\left( \frac{\pi -A}{2} \right)\]
D) \[(\pi -2A)\]
Correct Answer: D
Solution :
Key Idea: \[\sin ({{90}^{o}}-\theta )=cos\theta \] The refractive index \[(\mu )\] of a prism of angle A, and minimum deviation \[{{\delta }_{m}}\] is given by \[\mu -\frac{\sin \left( \frac{A+{{\delta }_{m}}}{2} \right)}{\sin A/2}\]You need to login to perform this action.
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