1) The branch of physics that studies the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it. a) Light b) Optics c) Wave d) Wavelength e) Motion 2) States that the angle of the incident light ray is equal to the angle of the reflected light ray. a) The Law of Reflection b) Laws of refraction c) Nature of Light d) Law of Motion 3) When a light wave passes by a corner or through an opening or slit that is physically the approximate size of, or even smaller than that light's wavelength. a) Interference of light b) Polarization of light c) Diffraction of light d) Scattering of light 4) Light travels at a speed of about _____________ kilometers per second? a) 800,000,000 b) 300,000 c) 2,000 d) 500,000 5) The angle of ___________ equals the angle of ______________. a) Surface, Reflected ray b) Secondary wavelets, Primary wave c) Incident ray, Refracted ray d) Incidence, Reflection

OPTICS AND LIGHT

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