Male mosquitoes in the mood for mating find female mosquitoes of their own species by listening forthe characteristic “buzzing” frequency of the female’s wing beats.This frequency is about 605 wing beats per second. (a) How manywing beats occur in one minute? (b) How many cycles of oscillation does the radiation from a cesium-133 atom complete duringone mosquito wing beat?

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Wien's displacement law

Students often get confused between Wien's displacement law and Planck's radiation law. Although both are historically related, yet they are conceptually different. Planck's law helps determine the spectrum of a blackbody, while Wien's law determines the relationship between peak wavelength and temperature.