When the trough of one light wave meets the crest of another light wave, occurs.
wave building
destructive interference
constructive interference
wave destruction

Orange juice has a lower or higher viscosity than chocolate syrup

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity