Question

if a ray of light enters from alcohol to air. the refractive index of alcohol is 1.36.calculate the speed of light in alcohol with respect to air. ​

Answer 1

Answer:

Explanation:

Refractive index is defined as the ratio of speed of light in vaccum to the speed of light in a specific medium

R=c/v

where c=speed of light in vaccum

v=speed in specific medium and here it is alcohol

R=1.36

1.36=(3 x 10 ^8)/v

v=(3 x 10^8)/1.36

v=2.20 x 10 ^8 m/s

this is the speed of light in alcohol

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