A ceiling fan rotates about its  own axis with some angular  velocity.
Channel: Doubtnut
Date: 2020-05-17

A ceiling fan rotates about its  own axis with some angular  velocity. When the fan is  switched  off,  the angular  velocity  becomes `(1/4)`th of the original  in time 't' and 'n' revolutions  are made  in that time. The number f revolutions  made by the fan during  the time interval between  switch  of and rest are (Angular  retardation is uniform)