Q

Which description of sound waves is false? Sound waves are _____ waves.

RRB NTPC (Stage-I); RRB Group-D 02/04/2016 (Shift-II); 12/12/2018 (Shift-I) 2016; 2018
✓ Answer: C Electromagnetic
Sound is mechanical, not electromagnetic. Ordinary sound in air is a longitudinal pressure wave.
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