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Question
Two rain drops falling through air have radii in the ratio 1 : 2. They will have terminal velocity in the ratio ______.
Options
1 : 4
2 : 1
4 : 1
1 : 2
MCQ
Fill in the Blanks
Solution
Two rain drops falling through air have radii in the ratio 1 : 2. They will have terminal velocity in the ratio 1 : 4.
Explanation:
V ∝ r2
`"V"_1/"V"=(1/2)^2=1/4`
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