A ceiling fan rotates about its own axis with some angular velocity. When the fan is switched off, the angular velocity becomes 
of the original in time 
and 
revolutions are made in that time. The number of revolutions made by the fan during the time interval between switch off and rest are (Angular retardation is uniform)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
: The angular velocity is given as
When the fan is switched off, 
When the fan come to rest
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