Physics, 17.11.2020 01:00 shadowangel84
A beam cannot have a thinner diameter than its wavelength since
1: it CAN have a thinner diameter
2: Huygens principle will no longer apply
3: it depends on the wavelength
4: the wavelets are unable to interfere destructively outside the beam
5: the wavelets cannot interfere constructively in front of the beam
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Diffraction occurs
1: for light waves only
2: only in three dimensions
3: only for thin enough objects
4: only at certain speeds
5: for objects larger than the
wavelength of the wave
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Answers: 1
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Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.
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A beam cannot have a thinner diameter than its wavelength since
1: it CAN have a thinner diameter
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