The auditory canal is about 2.5 cm long, and since it is much like an open-ended organ pipe, resonance can arise from the production of standing waves in the auditory canal [19]. The velocity of sound in air is vair=331m/s. What is the fundamental frequency of the ear? Please write your answer with integer value. (Hint: This is similar to the formants discussed in week #6.)

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom