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  • A student very cautiously traces the path of a ray through a glass slab for different values of the angle of incidence . He then measures the corresponding v

A student very cautiously traces the path of a ray through a glass slab for different values of the angle of incidence (\angle i). He then measures the corresponding values of the angle of refraction (\angle r) and the angle of emergence (\angle e) for every value of the angle of incidence. On analysing these measurements of angles, his conclusion would be
(A) \angle i>\angle r>\angle e
(B) \angle i=\angle e>\angle r
(C) \angle i<\angle r<\angle e
(D) \angle i=\angle e<\angle r

 

 

 

 
 
 
 
 

Answers (1)

\angle i=\angle e> \angle r

In case of a glass slab, the incident ray is parallel to emergency ray that is why the angle of emergency is equal to angle of incidence ray.

 

Posted by

Priyanka Kumari

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