Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Physics Optics Refraction and Reflection

f ಫೋಕಲ್ ಉದ್ದದ ಲೆನ್ಸ್‌ನ ಶಕ್ತಿಯನ್ನು ಹೇಗೆ ನೀಡಲಾಗುತ್ತದೆ?

1

P = u/f

2

P = 1/f

3

P = f/u

4

P = f

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