Question

Two boys Raghav and Rijul make a toy telephone by joining two plastic cups through a long string.They both stand apart.Raghav speaks softly into one cup and Rijul hears by putting his ear in the other cup.Now Rijul speaks and Raghav listens.a)What types of wave are produced by voice of Raghav and Rijul in the air inside the plastic cup?b)Throw light on the characteristic qualities of both the friends.

Answer 1

Vibration waves are produced
They are very creative