Homework Answers
for critical angle ( C ) incident in dener
medium
the angle of refraction = 90 in rarer medium
from snell's law
nfiber*sinC = nwater*sinr
1.88*sinC = 1.31*sin90
C = 44.17 degrees <<<------------ANSWER
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please answer asap and use Nair=1 Nwater=1.333 and c=3x10^8
m/s
4) Fig. 4 A light ray in water of wavelength 529nm is incident on flat, rectangular piece of transparent plastic (n 1.49) that is floating on a pool of water (n= 1.333). The ray from the water strikes the bottom of the plastic at an angle of 40.0° from the normal line. What happens to the ray when it hits the top edge of the plastic? (give all numeric quantities)...
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Hi, please help me with my homework and please do not answer
if you intend to answers all the questions. Thank you
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