General Science Physics Optics

లెన్స్ సూత్రం ________.

1
\(\frac{1}{v} + \frac{1}{u} = \frac{1}{f}\)
2
\(\frac{1}{f} + \frac{1}{v} = \frac{1}{u}\)
3
\(\frac{1}{f} - \frac{1}{u} = \frac{1}{v}\)
4
పైవేవీ కావు

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