Physics, asked by selvachandhru804, 10 months ago

the radius of curvature of mirror is 20cm .find focal length

Answers

Answered by harinibalaga05

2

Answer:

focal length is 20/2= 10cm

Answered by kj290805

4

Answer:

10cm

Explanation:

R=2f

20=2f

f=20/2

f=10cm

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