Physics, asked by 5SoS, 1 year ago

an object is placed 30 cm from a concave lens real images from 20 cm from the lens.Find the focal length of the lens.

Answers

Answered by monusinghal

focal length will be -60 cm

Answered by jaynavghane015

Answer:

yu kaa naam hai na ki tula rashi kemon jabe na ki tula rashi kemon jabe na ki tula rashi kemon jabe na ki tula rashi kemon jabe na ki tula rashi kemon jabe na ki tula rashi

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