化妆镜放大倍数越高越好？5倍才是日常最优解_卧室家具

1. 10．市面上有一种化妆镜，当对着它照镜子时，能看到自己面部更细微处．这种化妆镜应该是一个（）A．平面镜B．凸面镜C．凹面镜D．凸透镜

2. (II) A shaving or makeup mirror is designed to magnify your face by a factor of 1.8 (when compared to a flat mirror) when your face is placed 20.0 cm in front of it. (a) What type of mirror is it? (b) Describe the type of image that it makes of your face. (c) Calculate the required radius of curvature for the mirror.

3. 光学成像到底是怎么把物体‘画’到传感器上的？整个过程有哪些关键物理环节？

4. 化妆镜怎么选？这4个参数比颜值更重要