Question

A light wave travels at a speed of 3.0 × 108 meters/second. If the wavelength is 7.0 × 10-7 meters, what is the frequency of the wave?

Answer 1

Answer:

0.42 x 10^15 Hz

Explanation:

Frequency = Speed of wave/wavelength

= 3 x 10^8/7 x 10^-7

= 0.42 x 10^15