関連ワード:
give two uses of concave and convex lens write two uses of concave and convex lens in daily life state two uses of concave and convex lens give two uses each of concave and convex lens list two uses each of concave and convex lenses state any two uses of concave and convex lens class 10 write two uses of concave mirror and convex lens give uses of concave and convex lens write two uses of each concave mirror and convex lens what are the uses of a convex lens
