Question

Radius of a curvature of a concave mirror is 25cm what is it focal length

Answer 1

Answer:

Heya mate

Here is your answer!!

Given.

R= 25cm

f= ?

f= R/ 2

f= 25/ 2

f = 12.5cm

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Answer 2

Answer:

12.5 cm.

Explanation:

f=R/2

f=25/2

f=12.5 cm.