The sensitiveness of a level tube decreases if radius of curvature of its inner

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Question
The sensitiveness of a level tube decreases if
Options
A. radius of curvature of its inner surface is increased
B. diameter of the tube is increased
C. length of the vapour bubble is increased
D. both viscosity and surface tension are increased.

Correct Answer

both viscosity and surface tension are increased.

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A.
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Options
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