the height of mercury column in a simple barometer is h . As the tube is inclined with the vertical at an angle alpha , the length of mercury column along the length of the tube will become (1) hcos alpha (2) h/cos alpha (3) hsin alpha (4) h/sin alpha

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The height of Mercury column in a simple barometer is h as the tube is inclined with the vertical at an angle a. Find the length L of the mercury column along the length of the tube.

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