1. What does the ray aspect of light refer to? (a) Light is a form of radiation.
ID: 1630807 • Letter: 1
Question
1. What does the ray aspect of light refer to?
(a) Light is a form of radiation.
(b) Light can be considered as a ray that travels along straight lines unless it is refracted or reflected.
(c) Light is made of small particles called gamma rays.
(d) The dual nature of light first discovered by quantum mechanics, light can act as a particle or a ray.
2. When light is reflected off of a surface, what are the incident and reflected angles measured with respect to?
(a) The plane containing both the incident and reflected light rays.
(b) A line perpendicular to the surface the light is reflected off of.
(c) The plane of the surface the light is reflected off of.
(d) A line in the plane of the surface the light is reflected off of.
3. When light is refracted across a surface, what are the incident and refracted angles measured with respect to?
(a) A line perpendicular to the surface the light is refracted through.
(b) A line in the plane of the surface the light is refracted through.
(c) The plane containing both the incident and refracted light rays.
(d) The plane of the surface the light is refracted through.
Explanation / Answer
1.
(b) Light can be considered as a ray that travels along straight lines unless it is refracted or reflected.
2.
(b) A line perpendicular to the surface the light is reflected off of.
3.
(a) A line perpendicular to the surface the light is refracted through.
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