STANDARDPhysics-Electromagnetic Waves
STANDARD Physics Properties of Electromagnetic Waves MCQ Question
Type: MCQ-conceptual-Easy-Class 12
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.
Correct Answer
Option C
Detailed Explanation
Electromagnetic waves travel at the speed of light in a vacuum and at a constant speed in air, regardless of frequency. The statement that they travel at different speeds in air depending on their frequency is incorrect.
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