What is the oscillation period of your eardrum when you are listening to the A4 note on a piano (frequency 440 Hz)?

The period is the inverse of the frequence:

T = 0.002 s.

Explanation:

Given data:

Frequency,

The time period of oscillation of the eardrum can be expressed as,

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.