Fundamental frequency of an open pipe of length 0.5 m is equal to the frequency of the first overtone of a closed pipe of length l . The value of `l_(c)` is (m)

The fundamental frequency of a closed organ pipe of length 20cm is equal to the equal to the second overtone of an organ pipe open at both the ends. The length of organ pipe open at both the ends is

The third overtone of an open organ pipe of length l_(0) has the same frequency as the third overtone of a closed pipe of length l_(c) . The ratio l_(0)//l_(c) is equal to

The third overtone of an open organ pipe of length l_(0) has the same frequency as the third overtone of a closed pipe of length l_(c) . The ratio l_(0)//l_(c) is equal to

The fundamental frequency of a closed pipe is equal to the frequency of the second harmonic of an open pipe. The ratio of their lengths is

The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open at both the ends. The length of organ pipe open at both the ends is

If the frequency of the first overtone of a closed organ pipe of length 33 cm is equal to the frequency of the first overtone of an open organ pipe, then the length of the open organ pipe will be

If the frequency of the first overtone of a closed organ pipe of length 33cm is equal to the frequency of the first overtone of an organ pipe, then the length of the open organ pipe will be