question_answer

A stretched string is vibrating in the second overtone, then the number of nodes and antinodes between the ends of the string are respectively

A)  3 and 2         

B)  2 and 3

C)  4 and 3         

D)  3 and 4

Correct Answer: C

Solution :

: The vibrations of second overtone (or third harmonic) of a stretched string is shown in the adjacent figure. From figure, number of nodes and antinodes will be 4 and 3.