Light having a wavelength of 450 nm (4.50 x 10-7 m) moves through space at
3.0 x 108 m/s. What is the frequency of the light?

What is the relationship between the wavelength of a wave and it's energy?

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?