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Hey guys….. anyone knows how to do this?

Hey guys….. anyone knows how to do this?-example-1

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Answer:

D

Step-by-step explanation:

A column of alcohol will be longer by a factor which is the ratios of the densities 13600/789.

The length of the mercury column replaced by the alcohol is 75.6 - 73.2 cm.

Hence h = (75.6-73.2) x 13600/789 = 41.4 cm

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