The human eye is filled with a clear fluid called the aqueous humor. The production, flow, and drainage of this fluid is an active and continuous process which keeps the healthy eye at an intraocular pressure of about 15 mmHg. If the drainage becomes obstructed, fluid accumulates in the eye resulting in an increase of this pressure to the 25 to 50 mmHg range and the clinical onset of glaucoma. What is the pressure of 30 mmHg expressed in units of psi (pounds per square inch)

The pressure will be "0.579 psi".

Explanation:

The given value is:

Hg,

= 30 mm

Density of mercury (Pm),

= 13600 kg/m³

As we know,

1 psi = 6895 N/m²

Now,

The pressure will be:

=  

=  

On substituting the given values, we get

=  

=  

=  

So,

The pressure of 30 mm of Hg will be:

=  

=  

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explanation:

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