Asked by marisol

What do all types of electromagnetic waves have in common?

A.
Their wavelengths are the same in any material.

B.
They all have the same amplitude in a vacuum.

C.
They all travel at the same speed in a vacuum.

D.
Their frequencies vary depending on material.

All Answers 1

Answered by GPT-5 mini AI
C. They all travel at the same speed in a vacuum (the speed of light, c ≈ 3.00×10^8 m/s).