Frosted glass is widely used for translucent windows. The region where a transparent adhesive tape is stuck over the frosted glass becomes transparent. The most reasonable explanation for this is:
- Adiffusion of adhesive glue into glass
- Bchemical reaction at adhesive tape-glass interface
- Crefractive index of adhesive glue is close to that of glass
- Dadhesive tape is more transparent than glass
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