The electric field of an electromagnetic wave in free space is E = 57 cos [ 7.5 *10^6t-5

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

The electric field of an electromagnetic wave in free space is

                                                                   (JEE-2025)   

✅ Answer

The electric field of an electromagnetic wave in free space is

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