Science, asked by sadabkhan02484, 10 months ago

The radius of curvature of a spherical mirror is 20cm. what is its focal length​

Answers

Answered by brainlyaryan12
2

Answer:

if radius of curvature is 20cm

focal length=1/2 ×r of curvature

=>20/2

=>10cm

Answered by yashwantsamal52
2

Answer:

r equals to 2f

that means f eyals to r/2

so f equals to 20/2

I,e 10 cm

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