Answers

2016-02-03T21:51:08+05:30
We know that pressure increases with depth, which is also expressed by the following equation P = hρg So, in order to withstand increased pressure a hydrometer is made thicker at the bottom.
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2016-02-03T21:52:29+05:30
A hydrometer is usually made of glass, and consists of a cylindrical stem and a bulb weighted with mercury or lead shot to make it float upright.
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