TG EAPCET 2024 (Online) 9th May Morning Shift | Fluid Mechanics Question 7 | Physics

The height of water level in a tank of uniform cross-section is 5 m . The volume of the water leaked in 5 s through a hole of area $2.4 \mathrm{~mm}^2$ miade at the bottom of the tank is (Assume the level of the water in the tank remains constant and acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

$90 \times 10^{-6} \mathrm{~m}^3$

$120 \times 10^{-6} \mathrm{~m}^3$

$80 \times 10^{-6} \mathrm{~m}^3$

$40 \times 10^{-6} \mathrm{~m}^3$

TS EAMCET 2023 (Online) 12th May Evening Shift

MCQ (Single Correct Answer)

-0

If the work done in blowing a soap bubble of radius $R$ is $W$, then the work done in blowing the soap bubble of radius $2 R$ is

6 W

12 W

4 W

2 W

TS EAMCET 2023 (Online) 12th May Evening Shift

MCQ (Single Correct Answer)

-0

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 $\left(\cos 53^{\circ}=0.6\right)$

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

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

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

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

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