A) \[P=\frac{E}{2}\]
B) \[P=E\]
C) \[P=\frac{3E}{2}\]
D) \[P=\frac{2E}{3}\]
Correct Answer: D
Solution :
[d] \[p=\frac{1}{3}\rho {{v}^{\overset{-}{\mathop{2}}\,}}=\frac{2}{3}\times \left( \frac{1}{2}\rho {{v}^{\overset{-}{\mathop{2}}\,}} \right)=\frac{2}{3}E\]
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