1.

Four lead spheres a, b, c & d whose radii 1cm, 2cm, 3cm and 4cm respectively are dropped into different liquids of co-efficients of viscosity 1xx10^(-3)Pa-s, 2xx10^(-5)Pa-s, 6.5xx10^(-3)Pa-s, 15.4xx10^(-3)Pa-s. Arrange the spheres with their terminal velocity in descending order

Answer»

a, B, C, d
b, c, d, a
c, d, a, b
a, c, d, b

Answer :B


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