Tube A has both ends open, while tube B has one end closed , otherwise they are indentical. The raito of fundamental ferquency of tubes A & B is

Tube A has both ends open, while tube B has one end closed , otherwise

1.	Tube A has both ends open, while tube B has one end closed , otherwise they are indentical. The raito of fundamental ferquency of tubes A & B is
Answer» 1:2 1:4 2:1 4:1 Answer :C