A Guitar-Like Stringed Instrument Has a String That Is 20

Multiple Choice

A guitar-like stringed instrument has a string that is 20 cm long.It sounds the musical note A (440 Hz) when played without fingering.How far from the end of the string should you place your finger to play the note C (523 Hz) ?

A) 3.2 cm
B) 2.1 cm
C) 4.2 cm
D) 5.2 cm