A) \[\frac{2A}{\pi {{a}^{2}}}\sqrt{\frac{h}{g}}\]
B) \[\frac{\sqrt{2}A}{\pi {{a}^{2}}}\sqrt{\frac{h}{g}}\]
C) \[\frac{2\sqrt{2}A}{\pi {{a}^{2}}}\sqrt{\frac{h}{g}}\]
D) \[\frac{A}{\sqrt{2}\pi {{a}^{2}}}\sqrt{\frac{h}{g}}\]
Correct Answer: B
Solution :
[b] Let the rate of falling water level be |
Initially at t = 0 ; h = h |
t = t ; h = 0 |
Then, |
[velocity of efflux of liquid ] |
Integrating both sides |
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