communication-systems Question 13
Question: Q. 8. Distinguish between any two types of propagation of electromagnetic waves with respect to (i) frequency range over which they are applicable, (ii) communication systems in which they are used.
U] [CBSE SQP 2016]
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Solution:
Ans.
| Type of EM wave propagation |
Frequency range |
Use |
|---|---|---|
| Ground wave | $500-1500 \mathrm{KHz}$ | Standard AM broadcast |
| Space wave | Above $40 \mathrm{MHz}$ | Television |
