Question

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Q6.
Institute for NET/JRF, GATE, IIT-JAM, JEST, TIFR and GRE in PHYSICAL SCIENCES
US
If the angular frequency of an electromagnetic wave is greater than the plasma
frequency, then the refractive index n for the wave propagating through the ionosphere is
(a) n<1
(b) n>1
(c) n=0
(d) nis a complex number​

Answer 1

Answer:

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