Question

1. Take two plastic glasses and tie a thread
between them to make a toy phone. Does
the voice of your friend reach you through
the thread? Take metal wire instead of the
thread and also change the length of thread/
wire and repeat the activity. Discuss with
your friends and teacher about your
conclusions.​

Answer 1

Explanation:

Yes, actually sound is produced by the vibration of the medium and transfer of these ways to the ears where they vibrate ear drums. ... When we use metal string instead of thread, sound waves even transfer better due to the closely packed molecules of metal.