Question

What is the speed of an electromagnetic wave with a frequency of 8 Hz and a wavelength of 5.78 nm? (1 nm = 10-9 m)

Answer 1

Step-by-step explanation:

Speed = Frequency * Wavelength

= 8Hz * 5.78nm

= (8 * 5.78 * 10^-9)m/s

= (4.624 * 10^-8)m/s or 46.24nm/s.