JEE Main 2022 Physics question
An EM wave propagating in x-direction has a wavelength of 8 mm. The electric field vibrating y-direction has maximum magnitude of 60 . Choose the correct equations for electric field and magnetic field if the EM wave is propagating in vacuum:
Answer: (2)
Solution
The wavenumber is , and in vacuum m/s, so the argument is . The magnitude of the magnetic field is
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