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A linearly polarized electromagnetic wav...

A linearly polarized electromagnetic wave in vacuum is `E=3.1cos[(1.8)z-(5.4xx10^(6))t]hat(i)" N/C"`
is incident normally on a perfectly reflecting wall at z = a. Choose the correct option

A

The wavelength is 5.4 m

B

The frequency of electromagnetic wave is `54xx10^(4)` Hz

C

The transmitted wave will be `3.1cos[(1.8)z-(5.4xx10^(6))t]hat(i)" N/C"`

D

The reflected wave will be `3.1cos[(1.8)z+(5.4xx10^(6))t]hat(i)" N/C"`

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