the radius of curvature of a spherical mirror is 20 cm . what is its focal length ?
Answers
Answered by
0
Answer:
the answer is 10cm
Explanation:
because, R= 2f
Answered by
2
HEY FRIEND HERE IS UR ANSWER ,
Radius of curvature (R) = 20 cm
Radius of curvature of the spherical mirror = 2 × Focal length (f) R = 2f
f= R/2 = 20 / 2 = 10
Therefore, the focal length of the spherical mirror is 10 cm.
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