TG EAMCET 30 Apr 2025 Shift 1 Paper

When a long hollow steel pipe is struck with a hammer at one end, two sounds are heard at the other end. If the time interval between the two sounds heard is 0.53 s , then the length of the pipe is
(Speed of sound in steel is 5100ms−1 and speed of sound in air is 330ms−1 )