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Glycerin is poured into an open U-shaped tube until the height in both sides is 20 {\rm cm}. Ethyl alcohol is then poured into...Question
Glycerin is poured into an open U-shaped tube until the height in both sides is 18 cm . Ethyl alcohol is then poured into one arm until the height of the alcohol column is 18 cm . The two liquids do not mix.
What is the difference in height between the top surface of the glycerin and the top surface of the alcohol?
What is the difference in height between the top surface of the glycerin and the top surface of the alcohol?