biology

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the index of refraction of h2o is 1.33. find the angle of refraction of a beam of light in air hitting the h2o surface at an angle of 60 degrees n(air)=1.00

• biology -

Snell's Law:

Angles are measured to the normal, not surface.

SinThetaincident*nair=SinThetaRefracted*nwater

sin30*1=SinTheta*1.33

theta=arcsin .377=22 deg

• biology -

k so the answer would b 22 degrees????

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