Science, asked by saibtsarmy24, 11 months ago

Find the focal length (f) of a concave mirror with R = 20 c.m.

Answers

Answered by Anonymous

3

Answer:

f=r/2

f=20/2

f=10cm

Hope it helps you ✌✌

Answered by SamarthSutrave

0

Answer:

10 cm

Explanation:

F=R/2

F= 20/2

F= 10

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