Music, asked by rajeshbormon240, 8 months ago

The redius of curvature of a spherical mirror is 20 cm. what is its focal lenght

Answers

Answered by rahulkalra41

0

Answer:

40 is the answer.

Explanation:

Answered by Anonymous

0

Answer:

10cm

Explanation:

R=2F

20=2F

F=20/2

F=10cm

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