Given below are two statements: 
Assertion (A): Radio waves can be polarised.
Reason (R): Sound waves in air are longitudinal in nature.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Polarization of Light |
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Level 2: 60%+
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