1
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A hemispherical portion of radius ' $R$ ' is removed from the bottom of a cylinder of radius ' R '. The volume of the remaining cylinder is ' V ' and its mass is ' M '. It is suspended by a string in a liquid of density ' $\rho$ ', where it stays vertical. The upper surface of the cylinder is at a depth ' $h$ ' below the liquid surface. The force on the bottom of the liquid is

A
Mg
B
$\mathrm{Mg}-\mathrm{V} \rho g$
C
$\mathrm{Mg}+\pi \mathrm{R}^2 \mathrm{~h} \rho g$
D
$ \mathrm{pg}\left(\mathrm{V}+\pi \mathrm{r}^2 \mathrm{~h}\right)$
2
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A water film is formed between two parallel wires of 10 cm length. The distance of 0.5 cm between the wires is increased by 1 mm . The work done in the process is (surface tension of water $=72 \mathrm{~N} / \mathrm{m}$)

A
$2.88 \times 10^{-2} \mathrm{~J}$
B
$7.2 \times 10^{-2} \mathrm{~J}$
C
$1.44 \times 10^{-2} \mathrm{~J}$
D
$3.6 \times 10^{-2} \mathrm{~J}$
3
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct figure which shows the relation between the height of water column in a capillary tube and the capillary radius.

MHT CET 2024 4th May Evening Shift Physics - Fluid Mechanics Question 27 English

A
(B)
B
(D)
C
(A)
D
(C)
4
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Water rises up to height ' $X$ ' in a capillary tube immersed vertically in water. When the whole arrangement is taken to a depth ' d ' in a mine, the water level rises up to height ' $Y$ '. If ' $R$ ' is the radius of earth then the ratio $\frac{Y}{X}$ is

A
$\left(1-\frac{d}{R}\right)^{-1}$
B
$\left(1-\frac{d}{R}\right)$
C
$\left(1+\frac{d}{R}\right)^{-1}$
D
$\left(1+\frac{d}{R}\right)$
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