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

The surface of water in a water tank of cross section area $750 \mathrm{~cm}^2$ on the top of a house is ' $h$ ' $m$ above the tap level. The speed of water coming out through the tap of cross section area $500 \mathrm{~mm}^2$ is $30 \mathrm{~cm} / \mathrm{s}$. At that instant $\frac{\mathrm{dh}}{\mathrm{dt}}$ is $x=10^{-3} \mathrm{~m} / \mathrm{s}$. The value of ' $x$ ' will be

A
2
B
3
C
4
D
6
2
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The excess pressure inside a spherical drop of water A is four times that of another drop B. Then the ratio of mass of drop $A$ to that of drop $B$ is

A
$1: 4$
B
$1: 8$
C
$1: 16$
D
$1: 64$
3
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A steel ball of radius 6 mm has a terminal speed of $12 \mathrm{cms}^{-1}$ in a viscous liquid. What will be the terminal speed of a steel ball of radius 3 mm in the same liquid?

A
$12 \mathrm{~cms}^{-1}$
B
$9 \mathrm{~cms}^{-1}$
C
$6 \mathrm{~cms}^{-1}$
D
$3 \mathrm{~cms}^{-1}$
4
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The pressure inside a soap bubble $A$ is 1.01 atmosphere and that in a soap bubble B is 1.02 atmosphere. The ratio of volume of bubble A to that of B is [Surrounding pressure $=1$ atmosphere]

A
$101:102$
B
$102: 101$
C
$8: 1$
D
$2: 1$
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