If a ray of light enters from air into glass, the angle of incidence – McqOptions

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1.	If a ray of light enters from air into glass, the angle of incidence formed is 30° and the refractive index of glass is 1.52, then the angle of refraction should be
A.	19.3°
B.	21°
C.	25°
D.	28.8°
Answer» B. 21°

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