The method of heat transmission in which the particles of the medium do not move is conduction. Conduction involves the transfer of heat through direct contact between particles in a material medium.
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The best conductor of heat among the options provided is mercury. Mercury is a metal with high thermal conductivity, efficiently transferring heat. In contrast, water, wood, and leather are poor conductors of heat.
The thermal conductivity of silver is greater than that of copper. Silver has a thermal conductivity of approximately 429 watts per meter Kelvin (W/mK), while copper’s thermal conductivity is about 401 W/mK.
A bolometer measures thermal radiation. It detects and quantifies infrared or heat radiation emitted by objects. By monitoring changes in electrical resistance when exposed to thermal radiation, bolometers determine radiation intensity. They are essential in various fields for precise measurement ...
The boiling point of water decreases with increasing altitude. Mussoorie is at a higher altitude than Delhi. Therefore, the boiling point of water in Mussoorie will be less than 100°C.