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Assertion             :       The refractive index of a prism depends only on the kind of glass of which it is made of and the colour of light Reason                 :   The refractive index of a prism depends upon the refracting angle of the prism and the angle of minimum deviation             [AIIMS 2000]

A)             If both assertion and reason are true and the reason is the correct explanation of the assertion.

B)             If both assertion and reason are true but reason is not the correct explanation of the assertion.

C)             If assertion is true but reason is false.

D)             If the assertion and reason both are false.

E)             If assertion is false but reason is true.