Geometric Optics

A ________ is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in meters.

One 1 2 3 4 5 6 7 8 9
Two 10 11 12 13 14 15 16 17
Three 18 19 20 21 22 23 24 25 26 27
Four 28 29 30 31 32 33 34 35 36 37
  
Physics
Chemistry
Organic Chemistry
Biology