TS EAMCET 2023 (Online) 12th May Evening Shift | Fluid Mechanics Question 8 | Physics

Three identical vessels are filled with three liquids ${ }_{A, B}$ and $C$ with equal masses but having densities $\rho_{A, \rho_B}$ and $\rho_C$ respectively. If $\rho_A>\rho_B>\rho_C$ then the pressure at the bottom of the vessels will be

equal in all vessels

maximum in vessel containing liquid $A$

maximum in vessel containing liquid $B$

maximum in vessel containing liquid $C$

TS EAMCET 2023 (Online) 12th May Morning Shift

MCQ (Single Correct Answer)

-0

A straw of circular cross-section of radius $R$ and negligible thickness is dipped vertically into a liquid of surface tension $T$. If the contact angle between the liquid and the straw material is $53^{\circ}$. The force acting on the straw due to surface tension of the liquid is $\left(\cos 53^{\circ}=0.6\right)$

$\frac{12 \pi R T}{5}$

$\frac{6 \pi R T}{5}$

$\frac{4 \pi R T}{5}$

$\frac{3 \pi R T}{5}$

TS EAMCET 2023 (Online) 12th May Morning Shift

MCQ (Single Correct Answer)

-0

A solid metal sphere released in a vertical liquid column has attained terminal velocity in the downward direction. The magnitudes of viscous force, buoyant force and gravitational force acting on it are $F_V, F_B$ and $F_W$ respectively. Then, the correct relation between them is

$F_B>F_V=F_W$

$F_W=F_V+F_B$

$F_B=F_W+F_V$

$F_V=F_B+F_W$

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