why a ray of light doesn't deviate when passing from denser to rarer or vice versa , along the normal ?

Asked by Sushant Kumar | 2nd Jan, 2014, 12:47: PM

Expert Answer:

When light enters along the normal,
The angle of incidence is zero and hence angle of refraction is also zero.
Therefore light does not deviate when enters along the normal.

Answered by Komal Parmar | 2nd Jan, 2014, 01:07: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.