State whether the given statement is True or False.
The deviation produced by a prism is independent of the angle of incidence and is the same for all the colors of light.
A
True
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B
False
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Solution
The correct option is B False
μ=sinA+δm2sinA2
Since ‘A′, the angle of prism, is same for all the colours and μ is different for different colours, above equation can only be satisfied if all the colours have different values of δm i.e., they come out along different paths and hence, the phenomenon of dispersion.