登入
Physics for IGCSE & O level - Rays And Waves (Section 2 - No. 25)
What type of lens is used to create a magnifying glass?
Convex
Concave
Bifocal
Cylindrical
解释
A convex lens is used in a magnifying glass.
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面