Physics, asked by riyabaniya61, 5 hours ago

A child is looking into a small polished hemispherical bowl sees erect image of himself at 21cm from the bowl. He turns the bowl then image is seen at 7cm from bowl. The radius of curvature of bowl will be.
a.7cm
b.21cm
c.42cm
d.84cm

Answers

Answered by vkumarsingh350
4

Answer:

c.42 cm

according to me

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