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angle of reflection

American  

noun

Physics.
  1. the angle that a ray of light or the like, reflected from a surface, makes with a normal to the surface at the point of reflection. aor


angle of reflection British  

noun

  1. the angle that a beam of reflected radiation makes with the normal to a surface at the point of reflection

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

angle of reflection Scientific  
  1. The angle formed by a ray or wave reflected from a surface and a line perpendicular to the surface at the point of reflection.


Etymology

Origin of angle of reflection

First recorded in 1630–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Using the law of reflection—the angle of reflection equals the angle of incidence—we can see that the image and object are the same distance from the mirror.

From Textbooks Aug. 12, 2015

Figure 25.3 The law of reflection states that the angle of reflection equals the angle of incidence— θr = θi .

From Textbooks Aug. 12, 2015

But need the angle of reflection be equal to the angle of incidence in any universe?

From "The Invention of Science" by David Wootton

The same law obtains in the higher as in the lower worlds; there, as here, the angle of reflection is always equal to the angle of incidence.

From A Textbook of Theosophy by C. W. (Charles Webster) Leadbeater

The law that the angle of incidence is equal to the angle of reflection has a bearing upon theory, to be subsequently mentioned, which renders its simple illustration here desirable.

From Six Lectures on Light Delivered In The United States In 1872-1873 by John Tyndall

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