The refractive index of a glass is $1.520$ for red light and $1.525$ for blue light. Let $D_1$ and $D_2$ be the angles of minimum deviation for red and blue light,respectively,in a prism of this glass. Then,
- A$D_1 > D_2$
- B$D_1 < D_2$
- C$D_1 = D_2$
- DThe relationship between $D_1$ and $D_2$ depends on the prism angle of the prism.
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