bước sóng

Vietnamese

Etymology

bước (“step”) +‎ sóng (“wave”).

Pronunciation

• (Hà Nội) IPA^(key): [ʔɓɨək̚˧˦ sawŋ͡m˧˦]
• (Huế) IPA^(key): [ʔɓɨək̚˦˧˥ ʂawŋ͡m˦˧˥] ~ [ʔɓɨək̚˦˧˥ sɔŋ˦˧˥]
• (Saigon) IPA^(key): [ʔɓɨək̚˦˥ ʂawŋ͡m˦˥] ~ [ʔɓɨək̚˦˥ sawŋ͡m˦˥]

Noun

bước sóng

1. (physics) a wavelength

   Bước sóng bằng vận tốc truyền sóng chia cho tần số.

   The wavelength is equal to the velocity of the wave divided by its frequency.