A device or object that emits something, such as light, sound, or radiation.

उत्सर्जक (Utsarjak)

English Usage: The LED light acts as an emitter of bright light in the dark room.

Hindi Usage: एलईडी लाइट अंधेरे कमरे में तेज़ रोशनी का उत्सर्जक है।