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प्रश्न
For a rectangular slab, refraction takes place at ______.
विकल्प
Two interfaces
Three interfaces
One interface
Four interfaces
MCQ
रिक्त स्थान भरें
उत्तर
For a rectangular slab, refraction takes place at two interfaces.
Explanation:
Light enters from the air into the glass on one surface and from the glass into the air on the other.
shaalaa.com
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