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某物体经凸透镜在光屏上得到一个像,现将透镜上部遮住不让光通过,则屏上的像()
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某物体经凸透镜在光屏上得到一个像,现将透镜上部遮住不让光通过,则屏上的像()
A、缺少上部分
B、缺少下部分
C、大小变化了
D、像性质不变,只是变暗了
时间：2021-07-18 18:51
关键词：
地质学
专升本
晶体光学
2020年第二学期期末考试
答案解析
A
A
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某物体经凸透镜在光屏上得到一个像,现将透镜上部遮住不让光通过,则屏上的像()
某物体经凸透镜在光屏上得到一个像,现将透镜上部遮住不让光通过,则屏上的像()
最新问题
在做凸透镜成像的实验时，在光具座上无论怎样移动光屏，都不能在光屏上得到清晰的像，可能的原因有哪些？
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