SOUND,Chapter:5(NCERT Notes ,Class 9)

Q.1 What is sound and how is it produced? Solution: Sound is a form of energy and it is produced due to vibrations of different types of object, e.g., a vibrating tuning fork, a bell, wires in a sitar and a violin etc. Q.2 Describe with the help of a diagram, how compressions and rarefactions […]

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