Benzyl chloride. Benzyl chloride, or Î±-chlorotoluene, is an organic compound with the formula C6H5CH2Cl. This colourless liquid is a reactive organochlorine compound that is a widely used chemical building block.
Two slits are illuminated with red light (Î» = 650 nm). The slits are 0.25 mm apart and the distance to the screen is 1.25 m. What fraction of the maximum intensity on the screen is the intensity measured at a distance 3.0 mm from the central.
â¢ A minimum of 25 points must be measured in a rectangular duct traverse. â¢ When traversing a duct side less than 18 in. (450 mm), take readings from the center of equal areas that are no more than 6 in. (150 mm) apart, with a minimum of two points per side of the duct.