Question

Air at sea level is dense. This is a practical application of

• A. Boyle’s law
• B. Charle’s law
• C. Kelvin’s law
• D. Brown’s law

Answer 1

Answer: (A)

$d\propto P$, Boyle's law, $\left(d=\frac{MP}{RT}\right)$.
At sea level, pressure is more, hence density of air is more.