The distance between successive peaks of a wave, particularly in the context of electromagnetic radiation.

Wavelength used in the context of sound waves or other types of waves.

तरंगदैर्ध्य

English Usage: The wavelength of the sound determines its pitch.

Hindi Usage: ध्वनि का तरंगदैर्ध्य इसके स्वर को निर्धारित करता है।