Explain how wind erosion changes land forms

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

The speed of light can be used to measure the

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?