🤓 Based on our data, we think this question is relevant for Professor Scerri's class at UCLA.
We are asked to determine if the water or mercury meniscus changes when the inside surface of the tube is coated with wax following the figure:
Let us discuss each:
Meniscus shapes for water and mercury in glass tubes.
If the inside surface of each tube were coated with wax, would the general shape of the water meniscus change? Would the general shape of the mercury meniscus change?