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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 h is the barometric (expressed in metres of mercury of relative density ) at the surfaace of the lake , the depth of the lake is a) m b) m c) m d) m


 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 h is the barometric (expressed in metres of mercury of relative density  ) at the surfaace of the  lake , the depth of the lake is 

a) m

b) m

c) m

d)  m


Grade:upto college level

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