question_answer

A pipe open at both ends has a fundamental frequency f in air. The pipe is dipped vertically in water so that half of it is in water. The fundamental frequency of the air column is now:-                           [JEE MAIN - I 3-4-2016]

A)  f                                 

B)            

C)                              

D)  2f

Correct Answer: A

Solution :

[a]