Which of the following does not work on the existence of atmospheric pressure?
$(a)$ rise of iodine solution in the glass tube of dropper
$(b)$ rise of cold drink in a long plastic straw
$(c)$ sticking of suction hook on the wall of a room
$(d)$ rise of mercury in a glass tube of a thermometer

The rise of iodine solution in the glass tube of the dropper, the rise of cold drink in a long plastic straw, and also sticking of a suction hook on the wall of a room works on the existence of atmospheric pressure.

Only rise of mercury in a glass tube of thermometer is possible on changing the temperature.

So, option (d) is correct.

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Updated on: 10-Oct-2022

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