In this video, we explain Chapter – Sound (Class 9 Science) in a simple and interesting way.
Topics covered in this lesson:
• What is sound?
• Sound waves
• Frequency, amplitude & time period
• Audible and inaudible sounds
• How do we hear sound?
This video is based on NCERT Class 9 Science syllabus and is helpful for school exams, revisions, and concept clarity.
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