(1) the planes of incidence and reflection are coincident, and (2) the angles of incidence and reflection are equal.
After the administration of justice he directed his organizing activity, as the circumstances demanded, chiefly towards financial questions - the incidence of taxation in the conquered territories,' and the application of the vast resources which poured into the treasury at Medina.
Differences of refractive index produce their greatest dispersive effects when incidence on the refracting surface is nearly tangential.
Exceptionally, it may be added, as regards the licence taxes, which occupy quite an inferior place in the British system of taxation for imperial purposes, that the question whether some of them are not really direct in their incidence on the first person charged may also be raised, although they are classed with indirect taxes.
The angle between its directions of incidence and emergence, after one, two, three or more internal reflections.