Critical angle can refer to:
- Critical angle (optics) the angle of incidence above which total internal reflection occurs
- Critical angle of attack, in aerodynamics; the angle of attack which produces the maximum lift coefficient
- Critical angle of repose, in engineering; the steepest angle of descent of a slope when the material is on the verge of sliding
Famous quotes containing the words critical and/or angle:
“The disaster ... is not the money, although the money will be missed. The disaster is the disrespect—this belief that the arts are dispensable, that they’re not critical to a culture’s existence.”
—Twyla Tharp (b. 1941)
“Modesty is the only sure bait when you angle for praise.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)