. In thermometer bulb, we use
In thermometer bulb, we use
(a) asbestos.
(b) soap solution.
(c) trapped air.
(d) mercury.
Best Answer
Ans. (d)
Explanation: Mercury is a liquid metal, which is a good conductor of heat; so attains temperature quickly. Thus, when thermometer bulb is kept under the tongue or in the armpit, mercury level immediately starts rising.
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