Most commonly used tuning fork in ear examination?: (A) 128 Hz, (B) 256 Hz, (C) 512 Hz, (D) 1024 Hz
Answer is C. Ans. is 'c' i.e., 512 Hz Commonly used tuning fork has a frequency of 512 Hz. Forks of other frequencies, e.g. 256 and 1024 Hz should also be available.