A tube of length 80 cm is submerged vertically inside a liquid with lower end 20 cm below the surface. The upper end is now sealed and taken out gently. It is found that 8 cm of the liquid still remains in the tube. The atmospheric pressure is given by h cm of this liquid where h is (Neglect surface tension)
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Answer:
80-20=60
60-8=52
ans 52 cm