| Hangul | 광학 |
| Romanization | gwanghak |
| Meaning | optics |
| Part of Speech | noun |
| TOPIK Level | TOPIK Level 5 |
광학 기술은 카메라와 망원경에 적용돼요.
gwanghak gisul-eun kamerawa mangwongyeong-e jeogyongdwaeyo.
Optical technology is applied to cameras and telescopes.
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광학 (gwanghak) means "optics" in Korean. It is a TOPIK Level 5 vocabulary word.
광학 is pronounced "gwanghak" in Revised Romanization.
광학 is a TOPIK Level 5 word. TOPIK Level 5 is the advanced level with ~8,000 words.