AIIMS2005Physics-Wave Propagation
AIIMS 2005 Physics Sky-wave Propagation Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion : Television signals are received through sky-wave propagation.
Reason : The ionosphere reflects electromagnetic waves of frequencies greater than a certain critical frequency.
A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false
Correct Answer
Option D
Detailed Explanation
In sky wave propagation, the radio waves having frequency range 2 MHz to 30 MHz are reflected back by the ionosphere.
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