Mxiin7
Mxiin7 Mxiin7
  • 14-10-2021
  • Physics
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Please help WHATS the answer

Please help WHATS the answer class=

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musiclover10045
musiclover10045 musiclover10045
  • 14-10-2021

Focal length = 1/2 radius

Focal length = 1/2 (62)

Focal length = 31cm

Answer is B.

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