!class12th! उत्तल प्रष्ट से अपवर्तन का सूत्र (refraction formula at spherical convex surface)
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- เผยแพร่เมื่อ 10 ต.ค. 2024
- #viral#education#physicsbyashishsir#motivation#physics#science#class11thphysics#class12th#class11th#sciencesubject#class10th#refraction#feflection#electricfluxandgausslaw#mirror#lens#focus#optics#opticalphenomenon