Physics
Light scattering takes place in

Electrolyte solutions
Acidic solutions
Colloidal solutions
Basic solutions

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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
None of these
Decreasing the radius of the capillary tube
Increasing the radius of the capillary tube

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