Sound with frequency 1200 Ha leaves a room through a doorway with a width of 1,07 m. At what minimum anglo relative to the conferlino perpendicular to the doorway will someone outside the room hear no sound? Use 344 m/s for the speed of sound in air and assume that the source and listener are both tar enough from the doorway for Fraunhofer diffraction to apply. You can ignoro affects of roflections Express your answer in radians. View Available Hint(s) | ΑΣΦ ow radians Submit Previous Answers