Electromagnetic Field Theory
In a perfect conductor the incident and reflected wave combine to produce

A standing wave which is not progressing
A stronger incident wave
None of these
A stronger reflected wave

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Electromagnetic Field Theory
According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is

 inversely proportional to the square of the distance between them.
 directly proportional to the distance between them.
 inversely proportional to the distance between them.
 directly proportional to the square of the distance between them.

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