अवतल दर्पण और प्रतिबिंब | Class 10 Science Crash Course | Lecture 07 | | Bihar Board | HSB CLASSES

📚 *HSB CLASSES, TEGHRA, BEGUSARAI, BIHAR* Welcome to *Class 10 Bihar Board Science Crash Course 2026-27* with **Sonu Sir**. In Lecture 07, we will study *अवतल दर्पण और प्रतिबिंब (Concave Mirror and Image Formation)* in a simple and easy-to-understand way. Learn the important concepts, ray diagrams, and image formation rules to strengthen your preparation for the Bihar Board Matric Examination. 🎯 *In This Lecture:* अवतल दर्पण (Concave Mirror) प्रतिबिंब का निर्माण (Image Formation) किरण आरेख (Ray Diagrams) Important concepts for the Bihar Board Exam Easy explanations by Sonu Sir 📌 *Class Details:* Class: 10th Bihar Board Subject: Science – Physics Topic: अवतल दर्पण और प्रतिबिंब Lecture: 07 Teacher: Sonu Sir Director: Himanshu Singh – Bihar Session: 2026–27 Date: 23 October 2026 At **HSB CLASSES**, our goal is to make learning easy, effective, and exam-oriented for every student. 👍 Like the video, share it with your friends, and *subscribe to HSB CLASSES* for more Bihar Board classes, crash course lectures, and exam preparation. 📍 Location: Teghra, Begusarai, Bihar #HSBClasses #BiharBoard2027 #Class10Science #ScienceCrashCourse #SonuSir #अवतलदर्पण #Physics #MatricExam2027