A closed organ pipe of length $2\,\text{m}$ filled with a gas resonates in fundamental mode with a given tuning fork. An open organ pipe of same length filled with air also resonates in fundamental mode with the same tuning fork. The experiment is carried at $27°\text{C}$ temperature when speed of sound in air is $330\,\text{m/s}$. The speed of sound in gas at $7°\text{C}$ is