Question

if the distance P F=20cm then find out the radius of curvature​

Answer 1

$\huge{\mathfrak{\purple{Question}}}$

if the distance P F=20cm then find out the radius of curvature​

$\huge{\mathfrak{\purple{Answer}}}$

f=r÷2

=20÷2

=10cm

10cm is the answer.

#hopeithelps

Answer 2

if the distance P F=20cm then find out the radius of curvature..