9th Science | Chapter 12 | Study of Sound Lecture 1 | Class 9 Maharashtra Board SSC

Welcome to the first lecture of our Class 9 Science series based on the Maharashtra State Board syllabus! In this session, we explore Chapter 12: Study of Sound.
🔍 Key Concepts Covered:
1. Understanding sound as a form of energy.
2. Differences between longitudinal and transverse waves.
3. Graphical representation of sound waves.
4. Relationship between wavelength, frequency, and velocity of sound.
5. Factors affecting the velocity of sound in different mediums (solids, liquids, and gases).
You’ll also learn about the historical discovery of sound velocity by Borelli and Viviani, and how sound behaves in different materials.
✨ Stay tuned for the next lecture, where we’ll dive deeper into sound phenomena, including the human ear and types of sound!
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