What is the frequency of light reflected from a green leaf that has a wavelength of 3.9 x 10 -9cm?

Calculate the energy possessed by a single photon of electromagnetic radiation that has a wavelength of 2.857 x 10- 8 m.

Calculate the wavelength, in meters, of an X-ray with a frequency of 2.61 x 1018 s-1.

What is the energy of a photon from the violet portion of the sun's light if it has a frequency of 7.230 x 1014s -1?

A photon of red light has an energy of 2.88 x 10 -19 J. What is the wavelength, in centimeters, of this photon?

Determine the frequency of a microwave that has a wavelength of 8.72 x 10 -2 m.