Q.
When white light passes through a glass prism, one gets spectrum on the other side of the prism. In the emergent beam, the ray which is deviating least is or Deviation by a prism is lowest for
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a
Violet ray
b
Green ray
c
Red ray
d
Yellow ray
answer is C.
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Detailed Solution
δ∝(μ−1)⇒μR is least so δR is least.
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