Question

At NTP water boils at ${100}^{o}C$. Deep down the mine, water will boil at a temperature

• A. ${100}^{o}C$
• B. $>{100}^{o}C$
• C. $<{100}^{o}C$
• D. Will not boil at all

Answer 1

Answer: (B)

$>{100}^{o}C$

Pressure = $\rho gd$

where $d$ is the depth.

Pressure inside the mines is greater than that of normal.Pressure.

Also we know that boiling point increases with increase in pressure.

so water boil at Temperature $>{100}^{o}C$