⚛️ 物理难度 1 — 🟢 Basicoptics👁 17 浏览次数⏱ 1 min read
Solve Physics: A thin lens has focal length f = 12 cm…
📝 Problem
A thin lens has focal length f = 12 cm. An object is placed at distance d = 18 cm from the lens. Find the image distance and its nature.✦Đang tải AhaStep...