Why the height of the mercury column is affected by the
change in temperature ?

Answer Posted / mohamed

Mercury thermometer is constructed as shown in Figure
The capillary tube has a diameter of 0.004 cm, and the bulb
has a diameter of 0.250 cm.
neglecting the expansion of the glass, find the change in
height of the mercury column
that occurs with a temperature change of 30.0 °C.

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