Physics
Air moves from the region where the air ________

Pressure is high to the region where the pressure is low
Pressure is low to the region where the pressure is high
Humidity is low to the region where the humidity is high
Humidity is high to the region where the humidity is low

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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
Increasing the height of water in the vessel
Decreasing the radius of the capillary tube

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