A child asked to me : What happen if the light is vanished?
Answer is "NOTHING happen"
Think why the answer is nothing.
The light mediates the electromagnetic interaction, one of the four elementary interactions. The electromagnetic interaction is related to physical phenomena, chemical reaction, even nuclear reaction. So, vanishing of the light is equivalent to vanishing of EM interaction. This implies that there are NO molecules, NO atoms, NO body, so there are NOTHING.
Thus, the light is important.
Answer is "NOTHING happen"
Think why the answer is nothing.
The light mediates the electromagnetic interaction, one of the four elementary interactions. The electromagnetic interaction is related to physical phenomena, chemical reaction, even nuclear reaction. So, vanishing of the light is equivalent to vanishing of EM interaction. This implies that there are NO molecules, NO atoms, NO body, so there are NOTHING.
Thus, the light is important.
Tags light
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