“哇,好大的猫头!哪来这么大的猫?”外福来和小猫都来欣赏鱼缸中的小鱼。猛一抬头,外福来被透过鱼缸的大猫脸吓了一大跳。“不怕不怕,盛满水的鱼缸就好像是一个凸透镜,小猫的脸被盛满水的鱼缸放大了。”凸透镜可以放大图像凸透镜可以放大图像?现在点燃一支蜡烛,放在凸透镜面前,我们看看它的光路图。瞧,蜡烛的像是不是比实物变大了。当蜡烛到凸透镜的距离小于焦距时,它发出的光线经过透镜折射会聚,这些光线的反向延长线会聚在一点,这就是蜡烛所成的像的位置。我们的眼睛看到的像就在这里。 “Wow, big cats! Where come such a big cat?” “The cats and cats come and enjoy the fish in the fish tank. Took a look up, outside the blessing to be shocked by the large fish tank face. ”Not afraid of fear, filled with aquarium fish tank is like a convex lens, kitten’s face was full of water aquarium zoom. " Convex lens can magnify the image Convex lens can magnify the image? Now lit a candle, on the convex lens Let’s take a look at the light path of it. Look, the candle is not bigger than it is. When the distance between the candle and the convex lens is less than the focal length, the light it emits is refracted and converged by the lens. The reverse extension lines of these rays converge at a point, which is where the candle is formed. The image we see in our eyes is here.