Question

refractive index of a medium is minimum for light of _ colour and maximum for light of _ colour​

Answer 1

Answer:

Explanation:

The refractive index of different glass have different values, Fused Silica (Fused Quartz) - 1.458, Normal Glass - 1.50, Acrylic Glass - 1.490–1.492, Crown glass - 1.50–1.54, Flint Glass - 1.60–1.62 etc. But irrespective of that Violet light always bends more as it has shorter wavelength. The refractive index for red light in glass is slightly different than for violet light. That is why Violet light slows down even more than red light. The refractive index of red light in normal glass is 1.513 whereas the refractive index of violet light is 1.532. But, the exact refractive index of violet light depends upon the type of glass you are using.

So, red with a higher wavelength gets refracted lesser than violet which has a comparatively higher wavelength. we can safely say that red is less deviated than violet. So, red has the lowest refractive index among the colors in “VIBGYOR”. But.

Answer 2

Answer:

Minimum for RED

Maximum for VIOLET

in the

Explanation:

the refractive index of the medium in which light has entered is directly proportional to velocity of light  so which is inversely proportional to its wavelength.

Red has max wavelength

 Violet has min. wavelength