<prompt> Most common frequency of Tuning fork used in ENT256 Hz512 Hz1024 Hz2048 Hz  <response>: Tuning fork test can be performed using tuning fork of different frequencies such as:. MC used ideal for routine clinical practice is of 512 Hz. Tuning fork of lower frequencies produce sense of bone vibration while those of higher frequencies have a shorter decay time and are thus not routinely preferred. Tests done with tuning fork: Rinnes test Webers test Absolute bone conduction ABC test Bing test Gelles test Lewis test 