How do you pronounce 光線?

Q: How do you pronounce 光線? A: gwong1 sin3, e.g.

光線 (gwong1 sin3) — meaning, pronunciation, examples

光線 (gwong1 sin3, guāng xiàn) — light ray; light; illumination; lighting (for a photograph)

光 (gwong1) — light; ray M: 道dào [道]; bright; only; merely; to use up; glossy; smooth; glory;…
光孝寺 (gwong1 haau3 zi6) — Guangxiao Temple (A place in Guangzhou)
光學玻璃 (gwong1 hok6 bo1 lei4) — optical glass
光害 (gwong1 hoi6) — Light Pollution
光彩 (gwong1 coi2) — acceptable (behaviour)
光明 (gwong1 ming4) — guileless