मराठी

Which expression gives the sine of the critical angle for a denser-to-rarer transition?

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प्रश्न

Which expression gives the sine of the critical angle for a denser-to-rarer transition?

पर्याय

  • \[\sin i_c=\frac{n_1}{n_2}\]

  • \[\sin i_c=n_1-n_2\]

  • \[\sin i_c=n_1n_2\]

  • \[\sin i_c=\frac{n_2}{n_1}\]

MCQ
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उत्तर

The critical-angle equation is \[n_1\sin i_c=n_2\]. Dividing by \[n_1\] gives \[\sin i_c=\frac{n_2}{n_1}\].

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