Speed of Electromagnetic wave is not the

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Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Waves

Question:

Speed of Electromagnetic wave is not the same:

Options:

in all media

for all intensities in vacuum

for all frequencies in vacuum

for all wavelengths in vacuum

Correct Answer:

in all media

Explanation:

The correct answer is Option (1) → in all media

The speed of an electromagnetic wave is not the same in all media. It depends on the refractive index of the medium.