Math, asked by vishnu9074350, 7 months ago

The radius of curvature of a concave mirror is 30cm.Its focal lenght is, _15cm, +15cm, -60cm, +60cm,

Answers

Answered by 2005arnavmehta2005

2

Answer:

f=radius/2=15cm

+15cm is the answer

Answered by Jackriderkrrish

2

Answer:

+15cm

Step-by-step explanation:

it is because focal length is is half of roc

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