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# Index Values and Bending

APPH12-O9L4BZ

Light passes from substance A into substance B, and it bends as shown in the diagram.

What can be said about the n values of the two substances?

A

$${ n }_{ A }>{ n }_{ B }$$

B

$${ n }_{ A }<{ n }_{ B }$$

C

$${ n }_{ A }={ n }_{ B }$$

D

Nothing can be said for sure about n-values from the information in the diagram.