Question
The diagram given below in fig shows a ray of light $AO$ falling on a surface separating two media. Draw the refracted ray in each, case.
✓
Answer
Refracted ray $0\ C$ is shown in each case.
Towards the normal or $\angle r < \angle i$
Away from the normal or $\angle r > \angle i$
Refracted ray goes undeviated
or
$\angle i = 0$
$\angle r = 0$
Towards the normal or $\angle r < \angle i$
Away from the normal or $\angle r > \angle i$
Refracted ray goes undeviated
or
$\angle i = 0$
$\angle r = 0$
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