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Two water pipes `P` and `Q` having diameters `2 xx 10^(-2) m ` and `4 xx 10^(-2) m`, respectively, are joined in series with the main supply line of water. The velocity of water flowing in pipe `P` isA. `4` times that of `Q`B. `2` times that of `Q`C. `1//2` times that of `Q`D. `1//4` times that of `Q` |
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Answer» Correct Answer - A by `A_(1)V_(1) = A_(2)V_(2)` `((piD_(1)^(2))/(4))V_(1) = ((piD_(2)^(2))/(4))V_(2)` `V_(2) = 4V_(1)` |
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