Join ExamsbookAnswer : 1. "decreasing the radius of the capillary tube"
A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by5
Q: A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by
- 1decreasing the radius of the capillary tubetrue
- 2increasing the radius of the capillary tubefalse
- 3increasing the height of water in the vesselfalse
- 4None of thesefalse
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Answer : 1. "decreasing the radius of the capillary tube"
Explanation :
Answer: A) decreasing the radius of the capillary tube Explanation: The water rise in a capillary tube dipped in water is such that the weight of water in the tube above the surface of water in the vessel is equal to (balances) the upward force due to surface tension. So it is clear that if the the bore (radius) to the tube is decreased, the height of the water column in it must be greater. So, (a) is correct.
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