A fire alarm usually detects smoke in case of fire. Give reason why it is placed on the ceiling in a room.
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The reason is that
.The smoke is usually produced by a body at a high temperature or by a burning body therefore the density of smoke is less than the density of normal air present . Therefore the smoke would obviously rise up to the ceiling.
Thats the reason why fire alarms are placed in the ceiling
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.The smoke is usually produced by a body at a high temperature or by a burning body therefore the density of smoke is less than the density of normal air present . Therefore the smoke would obviously rise up to the ceiling.
Thats the reason why fire alarms are placed in the ceiling
hope you liked it
mark as brainliest
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