A prism of a certain angle deviates the red and blue rays by 
and 
, respectively. Another prism of the same angle deviates the red and blue rays by 
and 
, respectively. The prisms are small angled and made of different materials. The dispersive powers of the materials of the prisms are in the ratio:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Dispersive power, 
For 1st prism 
where, 
similarly, for 2nd prism
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