Science, asked by thakur572560, 11 months ago

concave mirror is a part of sphere of radius 40 cm what is the focal length of the mirror​

Answers

Answered by DhanyaDA
6

hey mate!!!

ANSWER:

radius of sphere=radius of curvature of concave mirror

=40cm

f=40/2=20cm

hope the answer helps u


thakur572560: thnx
thakur572560: thnx dhanya
DhanyaDA: welcome
Answered by abcd2312
2

Answer:

focal length=r/2=40/2=20

focal length is 20cm

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