Physics · Wave Mechanics
For a wave traveling in a medium, the angular frequency ω and the wave vector k are related by ω = ck, where c is a constant velocity. If vP represents the phase velocity and vg represents the group velocity, which of the following relations is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1vP = vg = c✓
- 2vP < vg
- 3vP = vg = 2c
- 4vP > vg
Correct answer
vP = vg = c
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