Physics
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

will overflow
change its meniscus
will not rise
depressed

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Physics
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

Increasing the radius of the capillary tube
None of these
Decreasing the radius of the capillary tube
Increasing the height of water in the vessel

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Physics
Thermohaline circulation is mainly due to

Cold, dense ocean water sinking and warmer water replacing it
Warmer, less dense water sinking in the ocean and cold water replacing it
Warm water being added to the ocean due to industial waste
Winds causing circulation of ocean water

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