Part A

A helium$-$neon laser emits a $\backslash (2\mathrm{.}0-\backslash$mathrm$\{$mm$\}\backslash )-$diameter laser beam with a power of $2\mathrm{.}0$ mW $.$

What is the amplitude of the electric field of the light wave?

Express your answer with the appropriate units.

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E$\_\{0\}=$

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Incorrect; Try Again

Part B

What is the amplitude of the magnetic field of the light wave?

Express your answer with the appropriate units.

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B$\_\{0\}=$

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