Question

focal length of lens is 20 cm then its radius of curvature is 10 cm. true or false

Answer 1

Answer:

$answer = > \: true \: \\ The radius of curvature of a spherical mirror is 20 cm. What is its focal length? Therefore, the focal length of the spherical mirror is 10 cm.}$

Answer 2

Explanation:

ᴍᴛʟʙ ᴋɪ ᴛʀᴜᴇ ʜ ᴊɪ..!!!

xᴅ

♥~