Which of the following conditions best justifies treating visible light as a…
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
Which of the following conditions best justifies treating visible light as a collection of straight rays rather than as a wave?
(a) The light source is monochromatic and coherent, such as a laser pointer.
(b) The characteristic sizes of apertures and obstacles in the system are much smaller than the wavelength of the light.
(c) The characteristic sizes of apertures and obstacles in the system are much larger than the wavelength of the light.
(d) The angle of incidence equals the angle of reflection for the incoming beam.