Question

the body changes
work - Kinetic Prorgy Theoxem.
1.no
B.K. Yura Rao
Speed of
The
Centre
of a whell yolling on a fazizanta
Surface is vo. A Point on the tim in Tevel with the
Centre will be moving at a speed of.
a. Tero b.ro cravo d. avo​

Answer 1

Answer:

Radius of curvature: The distance between optical centre and centre of curvature is called the radius of curvature, which is generally denoted by R. Focal Length: The distance between optical centre and principal focus is called focal length of a lens.