Questions and Answers
What type of surface does a smooth reflection occur on?
Polished surface
Which color of light is least affected by reflection?
Green
What happens to the angle of reflection when a light ray strikes a surface?
It remains the same
What type of surface reflects light in a regular manner?
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What color is an object that reflects all light and absorbs none?
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When light is incident on a smooth surface, what happens to the angle of reflection?
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What is the main goal of physics?
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What is a scientist who specializes in the field of physics called?
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During which century did the natural sciences emerge as unique research endeavors?
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What are some interdisciplinary areas of research that physics intersects with?
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Which academic discipline is considered one of the oldest, possibly the oldest?
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Study Notes
Reflection of Light
- Smooth reflection occurs on a smooth surface.
- Green light is least affected by reflection.
Laws of Reflection
- When a light ray strikes a surface, the angle of reflection equals the angle of incidence.
- When light is incident on a smooth surface, the angle of reflection equals the angle of incidence.
Types of Surfaces
- A smooth surface reflects light in a regular manner.
Colors and Reflection
- An object that reflects all light and absorbs none appears white.
Physics Overview
- The main goal of physics is to understand the natural world.
- A scientist who specializes in the field of physics is called a physicist.
History of Physics
- The natural sciences emerged as unique research endeavors during the 17th century.
Interdisciplinary Research
- Physics intersects with interdisciplinary areas of research, including astronomy, engineering, and mathematics.
Academic Disciplines
- Philosophy is considered one of the oldest academic disciplines, possibly the oldest.
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