拿两只同样的烧瓶,一只涂成黑色,另一只涂成白色,按装如附图。再用一只500克的砝码在酒精灯上加热一段时间后放在两只烧瓶的中间,很快就会发现黑色烧瓶上的玻璃管内的小水柱移动得快,而白色的则移动得慢。从而说明:黑色表面的物体对热辐射的吸收本领比白色表面的强。祛玛仍色瓶自色瓶附图改进后的实验有两点好处: (1)对比度明显. (2)扩充了学生的视野,使学生对物体吸收热辐射的本领与物体表面的颜色之间的关系不仅 Take the same two flasks, one painted black and the other painted white. Using a 500-gram weight on the alcohol lamp for a while and placing it in the middle of the two flasks, you will soon find that the small water column in the glass tube on the black flask moves faster, while the white one moves slowly. . This shows that: The absorption of heat radiation by the objects on the black surface is stronger than that on the white surface. There are two advantages to the experiment after the Karma is still modified: (1) The contrast is obvious. (2) The student’s horizon is expanded so that the student’s ability to absorb heat radiation from the object and the surface color of the object The relationship is not only