String A has length and is vibrating in its third harmonic

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

String A has length 0.60 m0.60\,\text{m} and is vibrating in its third harmonic. String B, made of the same material and under the same tension, has length 0.80 m0.80\,\text{m}. Which harmonic of string B has the same frequency as the third harmonic of string A? (a) Fifth harmonic (b) Fourth harmonic (c) Third harmonic (d) Sixth harmonic

Related theory

Browse the problem library