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प्रश्न
A coin in a glass beaker appears to rise as the beaker is slowly filled with water why?
एक पंक्ति में उत्तर
उत्तर
Refraction of light at the air-water interface.
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Refraction of Light from a Plane Transparent Surface
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
