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HomeCBSE Class 11PhysicsWaves › The SI unit of the angular wave number is:

The SI unit of the angular wave number is:

ARadian per minute
BRadian per moment
CRadian per mole
DRadian per metre
Answer & Solution
Correct answer: D. Radian per metre
1. It measures phase change per unit distance. 2. Distance is measured in metres. 3. It is radian per metre. _Source: NCERT Class 11 Physics, Ch 14 'Waves'_
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