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Questions tagged [attenuation]

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Can a single frequency produce several transitions in the atom?

When the energy of the wave is higher than the energy gap between two states inside the atom, a transition of electron from lower to upper state happens. The atmosphere is composed of different gases ...
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How does a sonic jet attenuate a sound wave?

Let's assume air flows through a pipe and exits into free atmosphere. The atmospheric pressure is below the critical pressure of the flow, hence the gas is accelerated and a sonic jet forms at the ...
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Received power for free space optic (FSO)

I am facing a problem with the calculation of received power in FSO. I have calculated the received power for free space optic (FSO) using the equation: Lsystem (system loss) is set to 8dB. PTotal ...
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How linearly additive are the x-ray mass attenuation coefficients for molecules?

Having a look at https://www.nist.gov/pml/x-ray-mass-attenuation-coefficients, the introduction states: For compounds and mixtures, values for $μ/ρ$ can be obtained by simple additivity, i.e., ...