Physics, asked by hanifabdulkareem1977, 6 hours ago

Rodius of curvature of a concave mirror is 20 cm, its focal length will be 20 cm 75 cm *10 cm 5 cm

Answers

Answered by karantrishik

1

Answer:

Focal length will be 10 cm because Focal length (f)=½×Radius of curvature (R)

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