1
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A large tank filled water to a height $h$ is to be emptied through a small hole at the bottom. The ratio of the time taken for the level to fall from $h$ to $\frac{h}{2}$ and that taken for the level to fall from $\frac{h}{2}$ to 0 is
A
$\sqrt{2}-1$
B
$\frac{1}{\sqrt{2}}$
C
$\sqrt{2}$
D
$\frac{1}{\sqrt{2}-1}$
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Depth of a river is 100 m magnitude of compressibility of the water is $05 \times 10^{-9} \mathrm{~N}^{-1} \mathrm{~m}^2$. The fractional compression in water at the bottom of the river is (acceleration due to gravity $=10 \mathrm{~m} / \mathrm{s}^2$ )
A
$0.9 \times 10^3$
B
$0.5 \times 10^{-3}$
C
$2 \times 10^{-3}$
D
$1.3 \times 10^{-2}$
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Two mercury drops, each with same radius $r$ merged to form a bigger drop. $T$ is the surface tension of single drop, then the surface energy of bigger drop is given by
A
$2 \pi r^2 T$
B
$2^{\frac{5}{3}} \pi r^2 T$
C
$2 \pi r^2 T^2$
D
$2^{\frac{8}{3}} \pi r^2 T$
4
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The radius of cross-section of the cylindrical tube of a spray pump is 2 cm . One end of the pump has 50 fine holes each of radius 0.4 mm . If the speed of flow of the liquid inside the tube is $0.04 \mathrm{~ms}^{-2}$. The speed of ejection of the liquid from the holes is
A
$6 \mathrm{~ms}^{-1}$
B
$2 \mathrm{~ms}^{-1}$
C
$4 \mathrm{~ms}^{-1}$
D
$3 \mathrm{~ms}^{-1}$
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