In terms of Kelvin value, the normal temperature of the human body is approximately 310.15 Kelvin (K). This is derived by adding 273.15 to the Celsius value of normal body temperature, which is approximately 37°C. Therefore, the normal body temperature ...
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The temperature at which the readings are the same on Celsius and Fahrenheit thermometers is -40°C. At this temperature, -40°C is equivalent to -40°F. This point is where the two temperature scales intersect, making it the only temperature where the ...
On removing butter from milk, the density of milk increases. This is because butter is less dense than milk. When butter is removed, the remaining liquid is denser than the original mixture.
An iron needle floats on the surface of water due to surface tension. Surface tension is the cohesive force between water molecules at the surface, which creates an upward force capable of supporting lightweight objects like the needle.
Absorption of ink by blotting paper involves capillary reaction phenomenon. Capillary action occurs due to the adhesive and cohesive forces between the liquid molecules and the fibers of the paper, causing the ink to be drawn upward. This phenomenon is ...