# 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

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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//2
B. Slope of the line PQ=A//2
C. Slope=A
D. None of the above statements is true

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delta=(mu-1)Aimpliesy=(x-1)A=xA-A
Comparing with y=mx+C
Slope: m=A