Question

A steel piano string is attached, under tension, at each end to secure posts. When gently struck, a faint note can be detected coming from the string. The string is then cooled by blowing cold air over it and then is struck again. How does the note now detected compare to the previous one.

Answer 1

It is at a higher frequency then the original one

Step-by-step explanation

Got this right on a quiz a while back