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A mercury filled glass thermometer is originally at equilibrium in a 20°C water bath. The thermometer is then immersed in a 30°C water bath. The column of mercury in the thermometer will (A) rise to 30°C and then stop. (B) first rise above 30°C, then return to 30°C and stop. (C)first fall below 20°C, then rise above 30°C, and stop. (D)first fall below 20°C, then rise above 30°C, and finally return to 30°C, and stop.

A mercury filled glass thermometer is originally at equilibrium in a 20°C water bath. The thermometer is then immersed in a 30°C water bath. The column of mercury in the thermometer will
(A) rise to 30°C and then stop.
(B) first rise above 30°C, then return to 30°C and stop.
(C)first fall below 20°C, then rise above 30°C, and stop.
(D)first fall below 20°C, then rise  above 30°C, and finally return to 30°C, and stop.

Grade:upto college level

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