Question

The speed of light in diamond is found to be 124000km/s. what is the reflective index of diamond ​

Answer 1

Answer:

2.46 is the refractive index of diamond..

Explanation:

This is the answer

Answer 2

$\tt\small{\bold{\underline{Given:}}}$

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$\sf\small{ The \:speed \:of \:the\: light\: in\:a\:diamond\:is\:1,24,000}$$\sf\small{km/s,\: the\: speed}$$\sf\small{ of \:light\: in \:air\: is \:3,00,000\: km/s}$

$\sf\small{To\: find\: the\: refractive\: index\:of\:the\:diamond\: -:}$

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$\tt\small{\bold{\underline{Solution:}}}$

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$\sf\small{We \:know, }$

$\sf\small{Refractive\: index \:of \:the\: medium}$

$\sf\small{=}$$\sf\small\frac{Speed\: of \:light\: in\: air}{Speed \:of\: the\: medium\: in \:air}$

$\sf\small{⟹\:Refractive \:index\: of \:diamond}$

$\sf\small{=}$$\sf\small\frac{300000\:km/s}{124000\:km/s}$$\sf\small{=}$$\sf\small\frac{ 300}{124}$

$\sf\small{ =\:2.4}$

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