. 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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