T=800N; I=50cm=0.5m, m=10g=0.01kg fundamental freq: fo =? fo = 121√Tμ μ =m1=0.010.5 ⇒ fo =12×0.5√8000.02 fo ⇒√ 40,000
⇒1st overtone = 2fo =2×200 = 400Hz ⇒2nd overtone =3fo =3×200=600Hz ∴3rd over tone= 4fo =4×200=800Hz
