Quote: a screen is opaque when the electric fields generated by the screen exactly cancel the light's electric field; this requires a sufficiently thick screen even for gold

Quotation Skeleton

Let us first ask: "What is an opaque … P … According to the basic principles we should obtain … all the other charges around. But … the charges in the screen will be set … screen is opaque, must exactly cancel the field … If it [did not exactly cancel] the field toward the rear … motion some other charges in the material of … So if we make the screen thick enough, … down. … the wave is absorbed exponentially as it goes … gold, is transparent.   Google-1   Google-2

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Topic: light (37 items)