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Home » The maximum frequency of transmitted radio waves above which the radio waves are no longer reflected back by ionosphere is – maximum electron density of ionosphere, acceleration due to gravity)A) B) C) D)
The maximum frequency of transmitted radio waves above which the radio waves are no longer reflected back by ionosphere is – \mathrm{N}= maximum electron density of ionosphere, \mathrm{g}= acceleration due to gravity)
A) \mathrm{gN}
B) \mathrm{gN}^{2}
C) g \sqrt{N}
D) \mathrm{g}^{2} \mathrm{~N}^{2}
Physics
The maximum frequency of transmitted radio waves above which the radio waves are no longer reflected back by ionosphere is – \mathrm{N}= maximum electron density of ionosphere, \mathrm{g}= acceleration due to gravity)
A) \mathrm{gN}
B) \mathrm{gN}^{2}
C) g \sqrt{N}
D) \mathrm{g}^{2} \mathrm{~N}^{2}

Answer is (C)
For ionosphere, the maximum frequency of radio waves that can be reflected back is given by g \sqrt{N}. Where N is maximum electron density of ionosphere and g is acceleration due to gravity.

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