Type the correct answer in the box. Express your answer to three significant figures. A scientist observes light from a star with a wavelength 2 of 97 nanometers (9.7 x 10-8 m). What is the photon energy, E, of this light?
Energy of photon?
Use this information to help you:
u=4
• speed of light in a vacuum, c= 3.00 x 108 meters/second
• Planck's constant, h = 4.136 x 10-15 ev. s