Intext example problem V — task. Science State Board, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Light travels from a rarer medium to a denser medium. The angles of incidence and refraction are respectively $45°$ and $30°$. Calculate the refractive index of the second medium with respect to the first medium.

The formula to find refractive index is

$μ = \frac{Sin i}{Sin r}$
$μ = \frac{Sin r}{Sin i}$

By applying the known values,

Refractive index $=$

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8. Intext example problem V

Exercise condition: