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  • Beyond which frequency the Ionosphere bends any gradient electromagnetic radiation but do not reflect it back towards Earth? (Frequency is in MHz) Option: 1

Beyond which frequency the Ionosphere bends any gradient electromagnetic radiation but do not reflect it back towards Earth? (Frequency is in MHz) 

Option: 1

40


Option: 2

50


Option: 3

30


Option: 4

20


Answers (1)

best_answer

As we learnt ,

 

Property of EM wave -

It can be bent around the earth's circumference by reflection from the ionosphere.

-

 

 

The Ionosphere can reflect the electromagnetic waves of frequency less than 40 MHz.

Posted by

Kuldeep Maurya

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