Question

What is the wavelength of a 3 x 1012 Hz infrared wave?
A. 3 x 10-3 m
B. 1x 104 m
C. 3 x 1020 m
D. 1 x 10-4 m
SUBMIT

Answer 1

Answer:

D

Explanation:

wavelength = speed of light/ frequency

= (3 x 10^8 m/s) / (3 x 10^12 Hz)

= 1 x 10^-4 m