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

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Physics
X-rays region lies between

Gamma-rays and ultraviolet region
Ultraviolet and visible region
Visible and infra-red region
Short radio waves and long radio waves

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