Class 9 Physics Sound Introduction


Have you heard the following sounds  - Sitar, Violin, Veena, your favorite song playing in your iPod, temple bells, chirping of birds, vehicles horning in traffic, dogs bark, pressure cooker whistling, crackers bursting, rattling and breaking of objects etc. While some sounds may be pleasant and soothing, some could be annoying. In this chapter, we will explore more Sounds.

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