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If two pure reflections about a line passing through the origin are applied successively the result is ___________________(a) Pure rotation(b) Quarter rotation(c) Half rotation(d) True reflectionI have been asked this question by my college director while I was bunking the class.Question is from 2D Reflection and Shear in division 2D Transformation and Viewing of Computer Graphics

Answer»

Correct ANSWER is (a) Pure rotation

The best explanation: When we apply reflection ONE time, it rotates the image by 180 DEGREES. So, if we REPEAT it 2 times the total reflection will be of 360 degrees.



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