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Physics
Which of the following materials has greatest dispersive power
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Q. Which of the following materials has greatest dispersive power
A
Prism of material P deviates red ray by 10$^\circ$ and violet ray by 16$^\circ$
B
Prism of material Q deviates red ray by 7$^\circ$ and violet ray by 13$^\circ$
C
Prism of material R deviates red ray by 3$^\circ$ and violet ray by 8$^\circ$
D
Prism of material S deviates red ray by 10$^\circ$ and violet ray by 15$^\circ$
Solution:
Correct answer is (c) Prism of material R deviates red ray by 3$^\circ$ and violet ray by 8$^\circ$