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1. Derive an expression for impedance and phase angle of a series LCR circuit using phasor diagram 2. Derive the lens maker’s formula 3. Derive the relationship between n, u, v and R for a spherical refracting surface 4. Derive an expression for magnetic field due to circular loop carrying current 5. Derive an expressionContinue reading “Important questions for Class 12 (second PUC) Physics with Answers”