If the angle of incidence of a ray of light falling on the glass is 30 degree and the angle of refraction is 19 degree what is the refractive index of a glass
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refractive index is sin of incidence / sin of refraction therefore it is equal to = sin30°/sin19° =1/2×1/0.32= 1/0.64= 100/64 appx. 1.56
Ameer03:
but how u got the value of sin 19 degree
i have checked it from internet
but what will u do in exams
whether they will provide it or not
yes they have to provide the value because we can't remember all the values
hmm k. Thnk u
mark my answer brainliest
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