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Two hail stones with radii in the ratio of 1:4 fall from a great height through the atmosphere.

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Two hail stones with radii in the ratio of 1:4 fall from a great height through the atmosphere. Then the ratio of their terminal velocities is

(A) 1:2 (B) 1:12 (C) 1:16 (D) 1:8

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(C) 1:16 

Two hail stones with radii in the ratio of 1:4 fall from a great height through the atmosphere. Then the ratio of their terminal velocities is  1:16

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