experiment to show sound needs a medium

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1. Explain the experiment, with a neat diagram, to prove the following

   

2. Sound Propagation Requires a Material Medium

   

3. NCERT Class IX Science Chapter 12 Sound

   

4. Describe an activity to show that sound requires a material medium for

   

5. 3. Cite an experiment to show that sound needs a material medium for its propagation

   

6. Class 8