The figure shows a miner's safety lamp invented by Sir Humphry Davy. How does the copper gauze act as a safety device to prevent explotions if a flammable gas such as methane is present in the mine? (Hint: Copper is a good conductor of heat. Methane will burn only if the surroundings reach its ignition temperature.)Sunday, July 5, 2009
Extra qn....
The figure shows a miner's safety lamp invented by Sir Humphry Davy. How does the copper gauze act as a safety device to prevent explotions if a flammable gas such as methane is present in the mine? (Hint: Copper is a good conductor of heat. Methane will burn only if the surroundings reach its ignition temperature.)
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