Q .     Long range radio transmission is possible when the radio waves are reflected from the ionosphere. For this to happen, the frequency of the radio waves must be in the range

JEE 2014 Mains Paper 4
A

`80 - 150\ MHz`

B

`8 - 25\ MHz`

C

`1 - 3\ MHz`

D

`150 - 500\ kHz`

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