The downside to the increased speed of the 24-hour news cycle is that

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?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Another word for electromagnetic energy is a. heat b. force c. matter d. radiation