Question

If fundamental frequency is 50 and the next successive frequencies are 150 and 250, then it is __________

(a) A pipe closed at both ends

(b) A pipe closed at one end

(c) An open pipe

(d) A stretched string

Answer 1

Right choice is (b) A pipe closed at one end

Explanation: For a pipe closed at one end, higher frequencies are odd multiples of the fundamental frequency.