Because the light exits and enters the glass only at normal incidence, the prism is not dispersive.

Let some blades receives flow at higher incidence, this blade will stop positively.

Super black absorbs approximately 99.6% of light at normal incidence, and only 0.4% is reflected.

The ratio of the two wavelengths at incidence can be deduced once the filtered intensities are the same.

Visible light telescopes are built with lenses or parabolic mirrors at nearly normal incidence.

The current report looks only at breast cancer deaths, not at overall incidence.

In each of these examples, the aperture is illuminated by a monochromatic plane wave at normal incidence.

The wing was changed to a symmetrical section set at positive incidence.

The light is then reflected from the opposite 30 face and exits, again at normal incidence.

In the case of a mirror at normal incidence, the layers have a thickness of a quarter wavelength.