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For a small angled prism, angle of prism...

For a small angled prism, angle of prism `A` of minimum deviation`(delta)` varies with the refractive index of the prism as shown in the graph

A

Point P corresponds to `mu=1`

B

Slope of the line PQ = A /2

C

Slope = A

D

None of the above statements is true

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