In Millikon oil drop experiment a charged drop falls with a terminal velocity 
. If an electric field 
is applied vertically upwards it moves with terminal velocity 
in upward direction. If electric field is reduced to 
then its terminal velocity will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
when field is applied vertically upward
From (i) and (ii)
If field is reduced of half 
from (iii) putting value of 
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