Who Said, Shadows Are Not Real?

Who Said, Shadows Are Not Real?

In a moment, someone said, the shadow was not real? - This morning, after through the fog, I dried my body for a moment in a field. And find that the shadow is real. - A real shadow is a shadow that occurs because of the intersection of reflected light. Real images cannot be seen directly by the eye, but through the screen. Virtual shadow is a shadow that occurs because of the intersection of the reflected light extension. - The shadow can be realized because of the help of sunlight and earth as a screen. - Shadows must be manifested in real life on earth.

 

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