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Physics Question and answers rated A+

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Physics Question and answers rated A+ Physics: Optics Isaac Newton said: - correct answer Light moves as tiny particles Huygens said: - correct answer Light is a wave Ray Model of Light - correct answer Light is represented as a ray (arrow) which travels in a straight line. The ra...

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  • October 19, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • physics question and answers rated a

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Physics: Optics
Isaac Newton said: - correct answer ✔Light moves as tiny particles


Huygens said: - correct answer ✔Light is a wave


Ray Model of Light - correct answer ✔Light is represented as a ray (arrow)
which travels in a straight line.
The ray model was introduced as a way to study how light interacts with
matter, regardless of whether light is a particle or a wave. Ray optics or
geometric optics.


Sources of Light - correct answer ✔Luminous source (sun) produces own
light.
Illuminated source (moon) reflects light.


Opaque - correct answer ✔Does not allow light to pass through


Translucent - correct answer ✔Light passes through but objects not seen
clearly


Transparent - correct answer ✔Light passes through and objects seen
clearly


Ole Roemer - correct answer ✔Danish astronomer; first to first to determine
that light travels with a measurable speed.

, Albert A. Michelson - correct answer ✔1926: measured speed of light. For
this work, be became the first American to receive the nobel prize in science.


Speed of light - correct answer ✔c = 3 × 10^8 m/s (precise enough)
At this rate, light travels 9.46 × 10^12 km in a year. This is called a "light year"


Light diffraction - correct answer ✔Light bends around a barrier


Light refraction - correct answer ✔Light divides into colors, a property of
waves (not particles).
ROY G BIV


Ray model of light - correct answer ✔This assumes that light travels in
straight-line paths called rays


Geometric Optics - correct answer ✔When we use the ray model of light to
deal with optics (I think)


The law of reflection - correct answer ✔when the angle of incidence equals
the angle of reflection


Diffuse reflection - correct answer ✔When light is reflected in many
directions because of a rough surface (even if it's microscopically rough, like
paper)


specular reflection - correct answer ✔reflection from a mirror


Plane mirror - correct answer ✔A mirror with a smooth, flat, reflecting
surface.

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