If R 20cm then f ...............
Answers
Answered by
0
Answer:
f = 10
Explanation:
To find 'f' we have to use
f = R/2
f = 20/2
f = 10......
hope it help u
Answered by
1
Answer:
10cm
Explanation:
Radius of curvature, R= 20 cm Radius of curvature of a spherical mirror = 2 — Focal length (f) R= 2f f= R/2 = 20 / 2 = 10 Hence, the focal length of the given spherical mirror is 10 cm
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