A) \[0{}^\circ \]
B) \[180{}^\circ \]
C) \[90{}^\circ \]
D) \[45{}^\circ \]
Correct Answer: C
Solution :
\[h=\frac{25\cos \theta }{r\rho g}\] \[h=0\] when \[\theta =\frac{\pi }{2}\]
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