Make two toy telephones. Use them as shown in Fig. 13.14. Make sure that the two strings are taut and touch each other. Let one of you speak. Can the remaining three persons hear? See how many more friends you can engage in this way. Explain your observations.
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Yes, the remaining three persons can also hear.As sound can travel through a medium, in this case sound is trave ling through the string and thus everyone on the toy telephone can hear the voice
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