Question

The value of the surface integral
$\displaystyle\oiint_{s}zdxdy$
where S is the external surface of the sphere x2 + y2 + z2 = R2 is

• A. 0
• B. 4πR3
• C. $\frac{4\pi}{3}R^3$
• D. πR3

Answer 1

Answer: (C)

$\frac{4\pi}{3}R^3$

Answer 2

The correct option is (C): $\frac{4\pi}{3}R^3$