NEET | 2018Sound WavesHard

Question

The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the closed organ pipe is 20 cm, the length of the open organ pipe is :-

Options

A.

13.2 cm

B.

8 cm

C.

12.5 cm

D.

16 cm

Solution

foop = 3fcop
V2loop=3V4looploop=23×loop=23×20=13.3cm

Create a free account to view solution

View Solution Free
Topic: Sound Waves·Practice all Sound Waves questions

More Sound Waves Questions

The amplitude of a wave represented by displacement equation y = sin ωt ± cos ωt will be :-...A string in a musical instrument is 50 cm long and its fundamentlal frequency is 800 Hz. If a frequency of 1000Hz is to ...A horizontal platform with an object placed on it is executing simple harmonic motion in the vertical direction. The amp...One end of a string of length L is tied to the ceiling of lift accelerating upwards with an accelerating 2g. The other e...For sky wave propagation of MHz signal, what should be the minimum electron densty in ionosphere?...