Sound | Lecture 5 | By Rajat Sir | Class 9 Physics | उदय Series | MEDJEEX Foundation

Sound | Application of Ultrasound and NCERT Discussion | Lecture 5 | Class 9 Physics | उदय Series | By Rajat Sir | MEDJEEX Foundation 9th & 10th

Welcome to Lecture 5 of the Sound chapter from Class 9 Physics – उदय Series, taught by Rajat Sir at MEDJEEX Foundation.

This lecture builds your foundation with complete conceptual clarity and real-life examples of Work and its types, followed by numerical practice based on NCERT and board exam patterns.

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✅ In this Lecture:
✔️ Class: 9th (CBSE/NCERT)
✔️ Subject: Physics
✔️ Chapter: Sound
✔️ Topic: Application of Ultrasound and NCERT Discussion


✅ What You’ll Learn in This Chapter – Sound (Class 9 Physics)
👉 Nature of Sound Waves – Sound as a mechanical wave requiring a medium
👉 Types of Waves – Longitudinal waves explained with sound propagation examples
👉 Characteristics of Sound – Amplitude, wavelength, frequency, time period & speed
👉 Relation Between Wave Parameters – 𝑣 = 𝑓 𝜆 and numerical-based applications
👉 NCERT + Board Practice – Important MCQs, numericals & assertion–reason questions

Perfect for Class 9 CBSE 2025–26, foundation exams, and quick concept revision.

🎯 This session is designed to test and strengthen your understanding of Sound through a fun and interactive Quiz Session with Rajat Sir.
Get ready to boost your concepts and accuracy for CBSE 2025 Board Exams and JEE/NEET Foundation preparation!

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