MHT CET 2025 19th April Evening Shift | Fluid Mechanics Question 23 | Physics

A small metal sphere of density $\rho$ is dropped from height $h$ into a jar containing liquid of density $\sigma(\sigma>\rho)$. The maximum depth up to which the sphere sinks is (Neglect damping forces)

$\frac{\rho}{\rho-\sigma}$

$\frac{\mathrm{h} \sigma}{(\rho-\sigma)}$

$\frac{\sigma}{(\rho-\sigma)}$

$\frac{\mathrm{h} \rho}{(\rho-\sigma)}$

MHT CET 2025 19th April Evening Shift

MCQ (Single Correct Answer)

-0

Water is flowing steadily in a river. A and B are the two layers of water at heights 40 cm and 90 cm from the bottom. The velocity of the layer A is $12 \mathrm{~cm} / \mathrm{s}$. The velocity of the layer B is

$15 \mathrm{~cm} / \mathrm{s}$

$21 \mathrm{~cm} / \mathrm{s}$

$27 \mathrm{~cm} / \mathrm{s}$

$36 \mathrm{~cm} / \mathrm{s}$

MHT CET 2025 19th April Morning Shift

MCQ (Single Correct Answer)

-0

A liquid rises to a height of 2.4 cm in a glass capillary P. Another glass capillary Q having diameter $80 \%$ of capillary $P$ is immersed in the same liquid. The rise of liquid in capillary $Q$ is

2.4 cm

3.4 cm

3 cm

2.5 cm

MHT CET 2025 19th April Morning Shift

MCQ (Single Correct Answer)

-0

One end of a capillary tube is dipped in water, the rise of water column is ' $h$ '. The upward force of 98 dyne due to surface tension is balanced by the force due to the weight of the water column. The inner circumference of the capillary is $\left(\right.$ surface tension of water $\left.=7 \times 10^{-2} \mathrm{Nm}^{-1}\right)$

1.4 cm

0.7 cm

0.14 cm

0.07 cm

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