Qstnid -A-21- Define The Term Focal Length Of A Lens. - 05: Refraction Through A Lens - Icse-x-physics

Show Unit/Chapter Change Unit Change Subject Last Menu

ICSE-X-Physics

05: Refraction through a Lens

with Solutions - page 2

Qstn# A-21 Prvs-Qstn Next-Qstn

#21
Define the term focal length of a lens.
Ans : 21 The distance from the optical centre O of the lens to its second focal point is called the focal length of the lens.