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प्रश्न
A beam of light enters an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true?
विकल्प
incident ray is horizontal
refracted ray is horizontal
emergent ray is horizontal
either refracted or emergent ray is horizontal.
MCQ
रिक्त स्थान भरें
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उत्तर
refracted ray is horizontal.
Explanation:
In minimum deviation position refracted ray inside the prism is parallel to the base of the prism
shaalaa.com
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