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A student constructed the simple thermometer shown in the figure below. (i) Why must the tube be made of thin glass? (ii) Assuming that the weight...

      

A student constructed the simple thermometer shown in the figure below.
fig354620191103.png
(i) Why must the tube be made of thin glass?
(ii) Assuming that the weight of the pellet is negligible, what will the pressure of the trapped air be when the tube is vertical? Explain.

  

Answers


Kavungya
(i) Why must the tube be made of thin glass?
To equalize the temperature inside with that to the surrounding air.
(ii) Assuming that the weight of the pellet is negligible, what will the
pressure of the trapped air be when the tube is vertical? Explain.
Atmospheric pressure. For the pellet to remain at the position, the
pressure exerted by air should equal to the pressure outside.
Kavungya answered the question on June 4, 2019 at 08:05


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