Standing wave frequency change · PhysicsBowl 2019 #20
Physics
Problem
A string, fixed at both ends, vibrates at a frequency of 12 Hz with a standing transverse wave pattern containing 3 loops (antinodes). What frequency is needed if the standing wave pattern is to contain 4 loops (antinodes)?
(A) 12 Hz (B) 16 Hz (C) 36 Hz (D) 48 Hz (E) 60 Hz