A wave pulse travels along a light string toward a junction with a much heavier…
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics
Problem
A wave pulse travels along a light string toward a junction with a much heavier string that is not fixed at the junction. Which statement best describes the pulse that is reflected back along the light string?
(a) It is inverted and travels faster than the incident pulse.
(b) It is not inverted and travels with the same speed as the incident pulse.
(c) It is inverted and travels with the same speed as the incident pulse.
(d) It is inverted and travels more slowly than the incident pulse.