Question

Which property describes the amount of energy that flows past a given area

per unit of time?
A. Wavelength
B. Speed
c. Intensity
D. Pitch

Answer 1

c. Intensity

Step-by-step explanation:

Wavelength is a distance (meters).

Speed is distance per time (meters / second).

Intensity is power per area (Watts / square meter).

Pitch is frequency (cycles / second).