Optical Instruments (id: 398f88477)

admin · 发表于 2025-7-14 23:56:51

本题目来源于试卷: Optical Instruments，类别为 IB物理学

[填空题]
An 8.0$\times$ binocular has 2.8$-$cm$-focal-length$ eyepieces. What is the focal length of the objective lenses? cm

参考答案: 22±2%

本题详细解析:
data/attachment/exam/2507/14/2507141156754785.png

微信扫一扫，分享更方便

账号		自动登录	找回密码
密码			立即注册