1
IAT (IISER) 2022
MCQ (Single Correct Answer)
+4
-1
A liquid of density $\rho$ in a container weighs $W$. A cubic block of side $L$ and density $\rho_b<\rho$ is pushed by a stick to completely submerge the block in the liquid without touching the bottom. If $g$ is the acceleration due to the gravity and liquid displaced by the stick is negligible, what is the new weight of the container as registered by the weighing machine below? IAT (IISER) 2022 Physics - Fluid Mechanics Question 1 English
A
$W+\rho g L^3$
B
$W+\rho_b g L^3$
C
$W+\left(\rho-\rho_b\right) g L^3$
D
$W+\left(\rho_b-\rho\right) g L^3$
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