The Student Room Group

Isaac physics question a- level

A ground-based radar measures backscatter from droplets within a rain cloud. This measured quantity is known as ‘reflectivity’. ‘Reflectivity’ is the amount of transmitted power returned to the radar receiver after hitting precipitation, divided by a reference power density at a distance of 1m from the radar antenna. Reflectivity is conventionally measured in units of mm^6m ^−3 . Convert a measured reflectivity of 3.981×10 ^4 mm^6m^−3 into m^3

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