Q16: The terminal velocity of a ball of radius r falling through liquid having Π depends upon
1. weight of body mg
2.Π and radius r
use dimensional analysis to find relation between them?
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1
Compare dimensions of LHS and RHS. Hope this helps you.
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aayushtripathi275200:
so this means the whole answer is wrong?
yes, approach is correct
u just need to change dimensions of density to viscosity
okk
thks
Fr/Av ??
Yes, thats the correct formula for viscosity
Its dimension is M(L^-1)(T^-1)
okk
so how do i put there l^-1 / T^-2
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