Which of the following is not true for electromagnetic waves?
Physics · Class 12 · CBSE — Electromagnetic Waves
Which of the following is not true for electromagnetic waves?
- They transport energy.
- They have momentum.
- They travel at different speeds in air depending on their frequency.
- They travel at different speeds in medium depending on their frequency.
Answer
(C) They travel at different speeds in air depending on their frequency.
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