On hot summer days while removing in a bus the distant spot on highway appears to be wet even though it is not actually wet which physical phenomenon is responsible for this effect ?

On hot summer days while removing in a bus the distant spot on highway

1.	On hot summer days while removing in a bus the distant spot on highway appears to be wet even though it is not actually wet which physical phenomenon is responsible for this effect ?
Answer» SOLUTION :TOTAL INTERNAL REFLECTION

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On hot summer days while removing in a bus the distant spot on highway appears to be wet even though it is not actually wet which physical phenomenon is responsible for this effect ?

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