alleryThe quantity k is called the angular wave number or:
AProportion constant
BProduction constant
CPropagation constant
DProjection constant
Answer & Solution
Correct answer: C. Propagation constant
1. It appears beside x in the wave equation.
2. Its unit is radian per metre.
3. It is the propagation constant.
_Source: syllabus Physics, Ch 14 'Waves'_
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