Teaching Bihar D.El.Ed Mock Test Series 2024-25 General Science Physics Optics

வில்லை சூத்திரம் ________ ஆகும்.

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
மேலே உள்ள எதுவும் இல்லை
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