Physics
Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ?

Earth
Venus
Moon
Saturn

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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

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

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