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# Properties of Light 1. The bending of light as it passes the edges of a barrier is called **diffraction**. 2. Huygen's wavelets combine to form a straight wavefront, except at the edges of the wave; the wavelets spread out in a circular manner when a barrier creates an edge. 3. When a narrow be...
# Properties of Light 1. The bending of light as it passes the edges of a barrier is called **diffraction**. 2. Huygen's wavelets combine to form a straight wavefront, except at the edges of the wave; the wavelets spread out in a circular manner when a barrier creates an edge. 3. When a narrow beam of sunlight or white light passes through a glass prism, it splits into different colors. 4. As white light crosses the boundary from air into glass and back into air, its wave nature causes each different color of light to be bent (or refracted) at a different angle. 5. This unequal bending of the different colors causes the white light to be spread into a spectrum. 6. Light has wave properties, and each color of light is associated with a wavelength. 7. Light falls within the range of wavelengths from about 400 nm to 700 nm.
