Uniform speed of 2 cm diameter ball is 2...

Uniform speed of 2 cm diameter ball is `20cm//s` in a viscous liquid. Then, the speed of 1 cm diameter ball in the same liquid is

5 cm/s

10 cm/s

40 cm/s

80 cm/s

Text Solution

Verified by Experts

The correct Answer is:

`v prop r^(2)` ,when r is halved , v becomes `(1//4)^(th)`

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