A molecular vibration absorbs radiation of wavelength 206 μm. What frequency (in s−1) corresponds to that wavelength?

i'm pretty sure its b i might be wrong though!

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in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?