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What are examples of where you see rays in real life? (select all that apply) a. Toy railroad track b. Arrows c. Projector d. Keyboard Button e. Sun Ray f. Flashlight g. Time

User Sulman
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Final answer:

Real-life examples of rays include arrows, projectors, sun rays, and flashlights. A ray in physics is a straight line originating from a point and is used to model the path of light in the Ray Model of Light. Options B,C,E&F are the answers.

Step-by-step explanation:

In the context of physics, specifically when discussing the Ray Model of Light, examples of where we see rays in real life include the following scenarios:

  1. Arrows, because the straightness of the shaft can be thought of as a ray.
  2. Projectors, as they emit light in straight lines onto a screen, demonstrating rays.
  3. Sun rays, which are perhaps the most direct example of light traveling as rays from the Sun to the Earth through empty space.
  4. Flashlights, where the beam of light emitted is modeled as a collection of light rays.

The concept of a ray comes from mathematics and refers to a straight line that originates at some point and extends indefinitely in one direction. In the ray model of light, light is depicted as traveling in straight lines or rays. This can occur when light travels directly from a source through empty space, through various media such as air and glass, or after being reflected by a surface such as a mirror.

User Steve Greene
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