Vibrations with Frequency 6

Multiple Choice

Vibrations with frequency 6.00 × 10² Hz are established on a 1.33-m length of string that is clamped at both ends.The speed of waves on the string is 4.00 × 10² m/s.
-How far from either end of the string does the first node occur?

A) 0.17 m
B) 0.33 m
C) 0.49 m
D) 0.66 m
E) 0.75 m