1
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Three liquids of densities $\rho_1, \rho_2$ and $\rho_3$ (with $\rho_1>\rho_2>\rho_3$ ) having same value of surface tension T , rise to the same height in three identical capillaries. Angle of contact $\theta_1, \theta_2$ and $\theta_3$ respectively obey

A
$\frac{\pi}{2}>\theta_1>\theta_2>\theta_3>0$
B
$0 \leqslant \theta_1<\theta_2<\theta_3<\frac{\pi}{2}$
C
$\frac{\pi}{2}<\theta_1<\theta_2<\theta_3<\pi$
D
$\pi>\theta_1>\theta_2>\frac{\pi}{2}$
2
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Let ' $n$ ' is the number of liquid drops, each with surface energy ' $E$ '. These drops join to form single drop. In this process

A
some energy will be absorbed
B
energy absorbed is $\left[E\left(n-n^{2 / 3}\right)\right]$
C
energy released will be $\left[\mathrm{E}\left(\mathrm{n}-\mathrm{n}^{2 / 3}\right)\right]$
D
energy released will be $\left[\mathrm{E}\left(2^{2 / 3}-1\right)\right]$
3
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The work done in splitting a water drop of radius R into 64 droplets is ( $\mathrm{T}=$ Surface tension of water)

A
$6 \pi \mathrm{TR}^2$
B
$12 \pi \mathrm{TR}^2$
C
$8 \pi \mathrm{TR}^2$
D
$24 \pi \mathrm{TR}^2$
4
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two identical drops of water are falling through air with steady velocity ' V '. If the two drops come together to form a single drop. The new velocity of the single drop is

A
$(2)^{1 / 3} \mathrm{~V}$
B
(2) ${ }^{3 / 2} \mathrm{~V}$
C
$(2)^{2 / 3} \mathrm{~V}$
D
$(2)^{1 / 4} \mathrm{~V}$
MHT CET Subjects
EXAM MAP