Which of the following is an active reading strategy? A. Making a set of study flash cards
O B. Using visual cues and text features
O C. Skipping shorter paragraphs
D. Reading as fast as you possibly can

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?