Last Updated：2025/11/21
Sentence
Quizzes for review
In dispersive media, the phase velocity can exceed the speed of light without violating causality because it describes the propagation of constant-phase points for a pure sine wave of infinite extent and infinitesimal amplitude.
See correct answer
In dispersive media, the phase velocity can exceed the speed of light without violating causality because it describes the propagation of constant-phase points for a pure sine wave of infinite extent and infinitesimal amplitude.
音声機能が動作しない場合はこちらをご確認ください
Related words
phase velocity
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
