But light coming from the sides was partially reflected and above there was a critical angle where total reflection occurred.

Both angles have to be equal whenever reflection occurs.

First, total internal reflection only occurs at reasonably low angles of incidence, waves on the surface will make this difficult/impossible to guarantee.

The reflection on the earlier civil rights movement and the next phase, if there is to be one, is occurring at an extraordinary time.

Not again that this reflection occurred to Captain Delano at the time, charitable man as he was.

The critical angle is the angle of incidence above which total internal reflection occurs.

The surface is rough, so no reflection will occur.

Hence, the reflections occur through total internal reflection so very little light is lost.

In a reduced expression for the longest element, every simple reflection must occur at least once.

Similar reflections may also occur from insects though at lower altitudes and shorter range.