If a ray of light traveling in air strikes the water surface at an angle of 40°, how would you calculate the refractive index of water if the angle of refraction is 29°?
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sin i/sin r = sin 40/ sin 29
use the trigo table to find the answer
use the trigo table to find the answer
saurav2015das:
can you show the calculation
i dont. have trigo table with me now
you can search in google for value
can you give the image of the table if possible
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