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# Refraction When a Light Ray Leaves a Plastic Block

APPH12-DB6W6P

A beam of light is directed obliquely from a block of plastic (index of refraction of $1.5$) into the air with an angle of incidence of approximately $25^\circ$.

Which of the four rays illustrated most accurately represents the refracted ray of light in the air?

A

$A$

B

$B$

C

$C$

D

$D$