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Meaning of critical angle | Babel Free

Noun CEFR B2

Definitions

  1. The angle of incidence beyond which light traveling through a medium experiences total internal reflection upon encountering a boundary with a less refractive medium.
  2. The angle of attack beyond which an airfoil stalls, experiencing a decrease in lift and increase in drag due to separation of airflow from the upper surface of the airfoil.
  3. The angle beyond which a ramp or a set of stairs is considered uncomfortable or unsafe.

Equivalents

العربية زاوية حرجة
Suomi rajakulma
Polski kąt graniczny

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

critical apparatus critical applied linguistics critical brain hypothesis critical care critical commentary critical condition

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