Which of the following explains the concave meniscus of water in a glass tube?
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- A The adhesion between water and glas is greater than the cohesion between water molecules
- B The cohesion between water molecule is greater than the adhesion between glass and water
- C The molecules of water in the glass are moving faster than the molecules in the other parts
- D The molecules of water at the water-air boundary are often attracted to the center of the tube
- E The weight of the water pulls the central part of the surface down
Correct Answer: Option A
Explanation:
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