Refractive index I — task. Science TNSB Mentoring, Class 10.

Choose the correct answer for the given question from the options.

1. The refractive index of air is approximately

\(2.42\)
\(1.33\)
\(1.0\)
\(1.5\)

2. The refractive index of a medium is the ratio of

wavelength in vacuum to that in medium
frequency in medium to that in air
speed of light in the medium to that in air
speed of light in vacuum to that in the medium

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