Question: A small helium - neon laser emits red visible light with a power of 5 . 8 0 mWmW in a beam of diameter 2
A small heliumneon laser emits red visible light with a power of mWmW in a beam of diameter mmmm
Part A
What is the amplitude of the electric field of the light?
Express your answer with the appropriate units.
Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type
EmaxEmax
nothingnothing
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Part B
What is the amplitude of the magnetic field of the light?
Express your answer in teslas.
Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type
BmaxBmax
nothing
TT
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Part C
What is the average energy density associated with the electric field?
Express your answer with the appropriate units.
Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type
uEuE
nothingnothing
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Part D
What is the average energy density associated with the magnetic field?
Express your answer with the appropriate units.
Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type
uBuB
nothingnothing
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Part E
What is the total energy contained in a mm length of the beam?
Express your answer with the appropriate units.
Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type
UU
nothingnothing
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