Question: Q. 6. How does the effective power radiated from a linear antenna depend on the wavelength of the signal to be transmitted?
U] [Delhi Comptt. I, II, III 2014]
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Solution:
Ans. Effective power $\propto \frac{1}{\lambda^{2}}$
Alternatively, The effective power which is radiated decreases with an increase in wavelength.
[CBSE Marking Scheme, 2014]