Question

A wave has a wavelength of 10 mm and a frequency of 5 hertz. What is its speed?

a.50 mm/s
b.50 hertz's
c.2 mms
d.0 0.50 mms

Answer 1

a

Step-by-step explanation:

wavelength = 10mm

frequency = 5Hz

speed = wavelength x frequency

= 10 x 5

= 50mm/s