Physics
Q = mcdT refers to

Heat Transfer formula
Enthalpy formula
Specific Heat formula
Heat of Vaporization

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Physics
The blue colour of sky is due to

Refraction of sunlight
Reflection of sunlight
Scattering of shorter wavelengths of sunlight in the atmosphere
Scattering of longer wavelengths of sunlight in the atmosphere

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

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