A test tube filled with water is placed inclined at an angle of 30∘ with horizontal. Pressure at the bottom of the test tube will be.
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Explanation:
the mercury column will try to maintain in original height.
[pressure is P=P
0
+Pgh
so h' has to be constant]
clearly from figure,
Lsin(30
∘
)=76⇒L=
sin(30
∘
)
76
=152m.
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