How will the emergent ray be after refraction of light through a glass – McqOptions

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1.	How will the emergent ray be after refraction of light through a glass slab?
A.	The emergent ray and the incident rays are random
B.	The emergent ray is at 90 degrees to the incident ray
C.	The incident ray goes without deflection and emergent ray is same as the incident ray
D.	The emergent ray is parallel to the incident ray
Answer» E.

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