Q). If two liquid drops of same density but of masses M and 27M fall simultaneously in a viscous medium with terminal speed v and nv, then value of n is
(1) 9
(2) 3
(3) 1 9
(4) 1

Dear Student , There Terminal velocity is given by v , where v α r3The mass of the sphere can be given by m= 43πr3ρ thus m α r3So according to the quation m1m2=127=r1r23r1r2=13And since v1v2=r1r22=132=19vnv=19n=9Regards

  • 33
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