A student is creating a table with the properties of electromagnetic and mechanical waves.
Property Electromagnetic Mechanical
Do they require a medium? no yes
How do they travel? transverse waves longitudinal and transverse waves
X from varying electric and magnetic fields from vibrating particles of the medium
Which question should replace the letter X in the table?
A.
How are they formed?
B.
How quickly do they travel?
C.
How do they transfer matter?
D.
How long is their wavelength?
1 answer
A. How are they formed?