Physics GK 11 - Surface Tension & Capillarity

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1.
Which of the following causes the drop of water to be in spherical shape?
2.
When two mercury drops are brought into contact they form a single bigger drop to get which of the following?
3.
Which among the following works while we wipe with a towel.?
4.
What is the property of a liquid due to which its free surface tries to have minimum surface area?
5.
Which of the following is correct about Surface Tension?
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