4 ms·
Physical waves need a medium for transfer and are affected by the density and properties of the material(s) involved.
by 83457 6y ago
Physical waves need a medium for transfer and are affected by the density and properties of the material(s) involved.
- dfischer 6y agoWhat isn’t a medium? A vacuum? Physical waves depend on a fluid? EM seems to be affected by a medium/fluid. Wonder where the distinctions are more poignant. Maybe degree of affects?