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JEE Main Physics Class 11 Properties of Solids and Liquids Questions Part 3 Questions
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© examsnet.com
Question : 80
Total: 100
The area of cross-section of a large tank is
0.5
m
2
. It has a narrow opening near the bottom having area of cross-section
1
cm
. A load of
25
kg
is applied on the water at the top in the tank. Neglecting the speed of water in the tank, the velocity of the water, coming out of the opening at the time when the height of water level in the tank is
40
cm
above the bottom, will be ____
cms
−
1
⋅
[
.
Take
g
=
10
ms
−
2
]
[27-Jun-2022-Shift-1]
Your Answer:
Validate
Solution:
By Bernoulli's theorem:
250
0.5
+
ρ
g
h
=
1
2
ρ
v
2
⇒
v
=
3
m
∕
s
⇒
v
=
300
cm
∕
s
© examsnet.com
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