This question has Statement-1 and Statement-2 | vedclass

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Question

(A) Statement-$1$ is true because sky waves are reflected by the ionosphere,allowing for long-distance communication. They are less stable than ground

Vedclass · Accepted Answer

Statement-$1$ is true,Statement-$2$ is true,Statement-$2$ is the correct explanation of Statement-$1$.

Vedclass · Answer

(A) Statement-$1$ is true because sky waves are reflected by the ionosphere,allowing for long-distance communication. They are less stable than ground waves because they depend on the ionospheric conditions. Statement-$2$ is true because the electron density and height of the ionospheric layers change continuously due to solar radiation,which varies with time and season. Since the instability of sky wave signals mentioned in Statement-$1$ is directly caused by the temporal and seasonal variations of the ionosphere described in Statement-$2$,Statement-$2$ is the correct explanation of Statement-$1$.

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