1.

The Snell’s law is given by$

A. N1 sin θi = N2 sin θt
B. N2 sin θi = N1 sin θt
C. sin θi = sin θt
D. N1 cos θi = N2 cos θt
Answer» B. N2 sin ‚âà√≠‚Äö√†√®i = N1 sin ‚âà√≠‚Äö√†√®t


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