Question

Which of the following is not true for electromagnetic waves?

• A. They transport energy.
• B. They have momentum.
• C. They travel at different speeds in air depending on their frequency.
• D. They travel at different speeds in medium depending on their frequency

Answer 1

Answer: (C)

They travel at different speeds in air depending on their frequency.

Answer 2

: They travel at different speeds in air depending on their frequency.