STANDARDPhysics-Electromagnetic Waves
STANDARD Physics Intensity of Electromagnetic Waves MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The ratio of contributions made by the electric field and magnetic field components to the intensity of an electromagnetic wave is
A
c : 1
B
c² : 1
C
1 : 1
D
√c : 1
Correct Answer
Option C
Detailed Explanation
The intensity of an electromagnetic wave is proportional to the square of the electric field and magnetic field. The ratio of their contributions is 1:1 because both fields contribute equally to the intensity.
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