Electromagnetic Waves - Result Question 16

16. The electromagnetic radiations are caused by

(a) a stationary charge

[1999]

(b) uniformly moving charges

(c) accelerated charges

(d) all of above

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Answer:

Correct Answer: 16. (c)

Solution:

  1. (c) A stationary charge produces electric field only; an uniformly moving charge produces localised electromagnetic field; an accelerated charge produces electromagnetic radiations.