Assertion (A): Short-wave radio bands are used to transmit signals across very l

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1. Assertion (A): Short-wave radio bands are used to transmit signals across very large distances. Reason (R): Short waves are reflected back down by the ionosphere. Which is correct?

Both A and R are true, and R correctly explains A

Both A and R are true, but R does not correctly explain A

A is true, but R is false

A is false, but R is true

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Because short waves reflect repeatedly off the ionosphere and bounce back off the ground, they can effectively hop around the Earth’s curvature, reaching receivers far beyond direct line of sight.