electromagnetic-waves Question 17
Question: Q. 7. (i) How are electromagnetic waves produced ?
(ii) How do you convince yourself that electromagnetic waves carry energy and momentum ?
U] [Delhi Comptt. I, II, III 2013]
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Solution:
Ans. (i) Try yourself, Similar to Q. 2, Short Answer Type Questions-I (ii) The EM waves are produced by the accelerated charge. The electron jumping from its outer to inner orbits radiates EM waves. These EM waves are propagated as electric and magnetic fields oscillating in mutually perpendicular directions which is the cause of momentum and energy. $\mathbf{1}$
[CBSE Marking Scheme 2017]
