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Two metal ball of radius R and 2 R falli...

Two metal ball of radius R and 2 R falling through a fluid have same velocity at some point. The viscous drag acting on them at that instant are in the ratio

A

`1:4`

B

`1:2`

C

`2:1`

D

`4:1`

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The correct Answer is:
B
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TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (EVALUATION TEST)
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