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If pressure at half the depth of a lake is equal to pressure at the bottom of the lake, then the depth of lake is (Atmospheric pressure =
detailed solution
Correct option is B
(2)23 Pa+ρgh=Pa+ρ.g.h2⇒ 16 ρgh=13Pa⇒ h=2Paρg=2 × 105103 × 10 m=20 mTalk to our academic expert!
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Assuming that the atmosphere has the same density anywhere as at sea level ( = 1.3 kgm-3) and 9 to be constant (g = 10 ms-2). What should be the approximate height of atmosphere? ( = 1.01 X 105 Nm-2)
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