Question

34. The ratio of the wavelengths of first
harmonic: second harmonic: third
harmonic in a stretched string is
(a) 1:2:3
(b) 6:3:2
(c) 2:3:6
(d) 3:2:1

Answer 1

Answer:

2l:l:2l/3

=6:3:2

Explanation:

Misprint in selina as 3:2:1