Question

1. The wength of light with a frequency of 2.50 x 10^13 s^-1 is _____

2. The wavelength of radiation is 7.8 x 10-5m. What is its frequency?

Answer 1

wavelength = speed / frequency

3⋅108 / 2.5⋅1013 = wavelength

wavelength = 1.2⋅10−5 kilometres

hope that helped.

Explanation:

wavelength = speed / frequency

3⋅108 / 2.5⋅1013 = wavelength

wavelength = 1.2⋅10−5 kilometres

hope that helped.