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Two solid spheres S1 and S2 of same unif...

Two solid spheres `S_1` and `S_2` of same uniform density fall from rest under gravity in a viscous medium and after some time, reach terminal velocities `v_1` and `v_2` respectively. If ratio of masses `(m_1)/(m_2)=8`, then `(v_1)/(v_2)` will be equal to

A

2

B

4

C

`1/2`

D

`1/4`

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