Question

(3)
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:

we can hear the voice of person speaking in cup fro other side

Explanation:

this phenomenon occurs because sound travels in wave and when u connect two cup with string and thight the string then the sound waves travels from one cup to other cup through thread.

Answer 2

Answer:

Yes I can hear!!

Explanation:

Thanks for the idea.