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1. |
Mercury (density = 13600 kg/m, σ = 0.49N/mm internal diameter open-ended capillary tube is inserted in the middle of the beaker into the mercury. The meniscus in the tube will be below the external mercury surface by how much distance? |
A. | 4.2 mm |
B. | 5.7 mm |
C. | 6.8 mm |
D. | 7.3 mm |
Answer» E. | |