Physics
Stars appears to move from east to west because

All stars move from east to west
The background of the stars moves from west to east
The earth rotates from east to west
The earth rotates from west to east

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

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