The power of a lens is +4D. Find the focal length of this lens. #class10science #viralvideo #ncert

The power of a lens is +4D. Find the focal length of this lens. An object is placed at a distance of 50 cm from the optical center of this lens. State the nature and magnification of the image formed by the lens and also draw a ray diagram to justify your answer. #cbseclass10 #classxphysics #icsephysics #physics #cbseboard #light #electricity #lens #physicsboardquestions2023 #physicsnumericalshelp #canvasclasses #manochaacademy #doubtnut #magnetbrains #lensnumericals #unacademy #previousyearsquestions #cbsepastpapersmirror #class10science #cbseclass10 0 #class10 #vedantuclass9and10 #class10preparation #class10motivation #cbsesciencequestionpaper2023 #class10physics    / @sigmaphysicsonline     / sigmaphysicsonline   #manochaacademy,#magnetbrains.#sigmaphysicsonline