로그인
Physics for IGCSE & O level - Rays And Waves (Section 7 - No. 13)
Which of the following is a property of light?
It always bends.
It travels in straight lines.
It requires a medium to travel.
It has no speed.
설명
Light travels in straight lines.
댓글 (0)
댓글을 달려면 로그인하세요
광고
자바스크립트가 이 페이지를 올바르게 로드하도록 허용