Question

Purity is to timbre as __________ is to __________. frequency . . . pitch frequency . . . loudness amplitude . . . pitch amplitude . . . hertz

Answer 1

The correct answer *(to whoever may need it in the future)* is actually:

Purity is to timbre as frequency is to pitch.

Answer 2

the correct answer is option A , Frequency is to pitch

The relation between timbre and purity is directly proportional, which means the better the timbre the more pure is the sound. Like wise the relation between the frequency and pitch is also directly proportional, high frequency sound has high pitch , while low frequency sound has low pitch. Since the nature of relationship between the two set of words that is “purity and timbre” and “ frequency and pitch “ is same, the best option in this case could be option A.