Mechanical Properties of Fluids - Result Question 5
5. In rising from the bottom of a lake, to the top, the temperature of an air bubble remains unchanged, but its diameter gets doubled. If is the barometric height (expressed in of mercury of relative density ) at the surface of the lake, the depth of the lake is
[1994]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 5. (b)
Solution:
- (b)
This gives