1
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A cylinder contains water upto a height ' $H$ '. It has three orifices $\mathrm{O}_1, \mathrm{O}_2, \mathrm{O}_3$ as shown in the figure. Let $V_1, V_2, V_3$ be the speed of efflux of water from the three orifices. Then

MHT CET 2024 16th May Morning Shift Physics - Fluid Mechanics Question 1 English

A
$V_1=V_2=V_3$
B
$V_1< V_2< V_3$
C
$V_1>V_2 >V_3$
D
$V_1=V_3>V_2$
2
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When capillary is dipped vertically in water, rise of water in capillary is ' h '. The angle of contact is zero. Now the tube is depressed so that its length above the water surface is $\frac{\mathrm{h}}{3}$. The new apparent angle of contact is $\left(\cos 0^{\circ}=1\right)$

A
$\cos ^{-1}\left(\frac{1}{2}\right)$
B
$\cos ^{-1}\left(\frac{1}{3}\right)$
C
$\cos ^{-1}\left(\frac{1}{4}\right)$
D
$\cos ^{-1}\left(\frac{1}{6}\right)$
3
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The viscous force between two liquid layers is

A
radial.
B
normal to the liquid surface.
C
tangential to the liquid surface.
D
neither purely tangential nor purely normal.
4
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A ball rises to surface at a constant velocity in liquid whose density is 3 times greater than that of the material of the ball. The ratio of force of friction acting on the rising ball to its weight is

A
$2: 1$
B
 $3: 1$
C
$4: 1$
D
$6: 1$
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