The electromagnetic waves of frequency 2 MHz to 30 MHz are
Options:
A .  
In ground wave propagation
B .  
In sky wave propagation
C .  
In microwave propagation
D .  
In satellite communication
E .  
If assertion is false but reason is true.
Answer: Option B : B The EM waves of frequency from 2MHz to 30 MHz are reflected from the ionized upper layers of earth's atmosphere and hence the sky wave propagation
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