Question

Two boys Raghav and Ramesh make a toy telephone by joining two

bod plastic cups through a long string. They both stand apart. Raghav
speaks softly into one cup and Ramesh hears by putting his ear in the
other cup. Now Ramesh speaks and Raghav listens.
(a) What type of waves are produced by voice of Raghav and Ramesh
in the air inside the plastic cup?
garo (b) What type of waves are produced in the string?
(c) Write any one difference between these types of waves.
OR
wavelength of a sound wave.

Answer 1

(b) Wha type of waves are produced in the string

Transverse wave is produced by the string. longitudinal wave is formed by the voice of both of them in plastic cup