If n_{21} 1,then write the relation between | vedclass

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Question

(A) According to Snell's Law,$n_{21} = \frac{\sin i}{\sin r}$.Given that $n_{21} > 1$,it implies $\frac{\sin i}{\sin r} > 1$,which means $\sin i > \si

Vedclass · Accepted Answer

i > r

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(A) According to Snell's Law,$n_{21} = \frac{\sin i}{\sin r}$.Given that $n_{21} > 1$,it implies $\frac{\sin i}{\sin r} > 1$,which means $\sin i > \sin r$.Since the sine function is increasing for angles between $0^\circ$ and $90^\circ$,this implies $i > r$.Therefore,when light travels from a rarer medium to a denser medium $(n_{21} > 1)$,the angle of incidence is greater than the angle of refraction.

If $n_{21} > 1$,then write the relation between the angle of incidence and the angle of refraction.

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