This is the 6650th most frequent Korean word.
원리가
"원리가" means "principle is" or "the principle is" in English.
In this sentence, '원리가' is used as the subject of the question regarding the underlying principle or mechanism of operation.
이 기계의 동작 원리가 무엇인가요?
What is the principle of this machine's operation?
Here, '원리가' appears as part of a phrase indicating the principles or laws of nature that lead to scientific discoveries.
과학의 많은 발견은 자연의 원리가 이해되면서 이루어졌습니다.
Many scientific discoveries have been made by understanding the principles of nature.
In this example, '원리가' serves to introduce a subject for discussion, emphasizing the difference in perceived and actual complexity of the principle.