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Pressure exerted by air - class-XI

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Multiple Choice

A cubical vessel sealed vessel with edge $L$ is placed on a cart, which is moving horizontally with an acceleration `a' as shown iin figure. The cube is filled with an ideal fluid having density $\rho$. Find the gauge pressure at the centre of the cubical vessel.

  1. $\dfrac{Ldg}2$
  2. $\dfrac{Ld(g+a)}2$
  3. $\dfrac{Lda}2$
  4. $\dfrac{Ld(g-a)}2$
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