Question

If the value of atmospheric pressure is $10^6$ dyne $c{m}^{-2}$, its value in $SI$ units is

• A. $10^{4}N{m}^{-2}$
• B. $10^{6}N{m}^{-2}$
• C. $10^{5}N{m}^{-2}$
• D. $10^{3}N{m}^{-2}$

Answer 1

Answer: (C)

Pressure $=\frac{F}{A}$
$\therefore 10^6$ dyne $c{m}^{-2}=10^{5}N{m}^{-2}$.