CP2 Exam 1 Questions & Answers 2024

CP2 Exam 1 Questions & Answers 2024 why would a block have 2 reflections of light - ANSWER-reflection from the front and the back of the block how does fringe spacing change when distance between the lists, d, is increased - ANSWER-fringes gets closer what is diffraction - ANSWER-when a wave passes through a small opening it spreads to fill space beyond opening what happens when light travels from air to water - ANSWER-the speed decreases the dark bands in the interference pattern in the double slit experiment are created by - ANSWER-destructive interference how can a single narrow slit produce an interference pattern? - ANSWER-each point on the wave front acts as a wavelet source in a single slit diffraction experiment, how does the angle to the first dark fringe on the wavelength of the light used? - ANSWER-the angle increases increases as the wavelength increases in order for a color to be visible in thin film interference, the wavelength of that color must - ANSWER-satisfy the constructive interference conditions in circular aperture diffraction, how does the diameter of the hole affect the diffraction pattern? - ANSWER-smaller the hole the wider the central maximum in diffraction grating: if the number of slits is changes from 2 to 50 but the distance between each slit remains the same, how does the interference pattern change? - ANSWER-the bright fringes get narrower and brighter