Question

Take two paper cup and join them by 10-15 meter long thread and talk to each other according
to given image. How do you hear? Write your experience.
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Answer 1

Answer:

Speaking into the cup transmits the sound of the speaker’s voice into the bottom of the cup. The bottom of the cup acts as a diaphragm and vibrates with the sound of the speaker’s voice. As the bottom of the cup vibrates, it transmits the vibrations into the taut string. The sound travels along the string as a longitudinal wave and ultimately vibrates the bottom of the receiving cup. The cup transmits the sound into the air around the listener’s ear, allowing her to hear the speaker. Because the sound travels through solid mediums – the cup and the string – it travels more effectively than through air, allowing the users to communicate across large distances with volumes that would be inaudible if spoken through air.

Explanation:

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