The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at (A) Every point of the bubble (B) Either end of the bubble (C) The mid-point of the bubble (D) No where

The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at 

(A) Every point of the bubble 

(B) Either end of the bubble 

(C) The mid-point of the bubble 

(D) No where

by

1 Answer

Answer :

(C) The mid-point of the bubble 

by

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