Jane's flashy boyfriend has just given her a ring with a huge 'diamond'.Jane, who has studied physics, measures the polarising angle for the stone and finds that the polarising angle is 62.97$\degree$.The stone is:
A)fluoride, n = 1.560.
B)crown glass, n = 1.517.
C)spinel, n = 1.712.
D)zircon, n = 1.960.
E)diamond, n = 2.417.

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The Answer of Jane's flashy boyfriend has just given her a ring with a huge 'diamond'.Jane, who has studied physics, measures the polarising angle for the stone and finds that the polarising angle is 62.97$\degree$.The stone is:
A)fluoride, n = 1.560.
B)crown glass, n = 1.517.
C)spinel, n = 1.712.
D)zircon, n = 1.960.
E)diamond, n = 2.417.

Jane's Flashy Boyfriend Has Just Given Her a Ring with a Huge