When a ray of light strikes a face of prism perpendicularly, it enter – McqOptions

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1.	When a ray of light strikes a face of prism perpendicularly, it enters the prism without deviation and strikes the hypotenuse at an angle of
A.	30 °
B.	45 °
C.	90 °
D.	60 °
Answer» C. 90 °

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