Q)
An air bubble is released from the bottom of a lake of depth 11m.The temperature at the bottom is 4∘C and that at the surface is 12∘C.What is the ratio of bubble's radius at the surface and its radius at bottom?Assume density of heater is 100Kg/m3.Atmospheric pressure =75cm of Hg & density of mercury =13600Kg/m3
...
Please Wait
