做凸透镜成像实验,当蜡烛距透镜15cm时,在光屏上成放大的像,则当蜡烛距透镜40cm时,在光屏上成________像,当蜡烛距透镜6cm时,光屏上_________.
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![做凸透镜成像实验,当蜡烛距透镜15cm时,在光屏上成放大的像,则当蜡烛距透镜40cm时,在光屏上成________像,当蜡烛距透镜6cm时,光屏上_________.](/uploads/image/z/6782570-26-0.jpg?t=%E5%81%9A%E5%87%B8%E9%80%8F%E9%95%9C%E6%88%90%E5%83%8F%E5%AE%9E%E9%AA%8C%2C%E5%BD%93%E8%9C%A1%E7%83%9B%E8%B7%9D%E9%80%8F%E9%95%9C15cm%E6%97%B6%2C%E5%9C%A8%E5%85%89%E5%B1%8F%E4%B8%8A%E6%88%90%E6%94%BE%E5%A4%A7%E7%9A%84%E5%83%8F%2C%E5%88%99%E5%BD%93%E8%9C%A1%E7%83%9B%E8%B7%9D%E9%80%8F%E9%95%9C40cm%E6%97%B6%2C%E5%9C%A8%E5%85%89%E5%B1%8F%E4%B8%8A%E6%88%90________%E5%83%8F%2C%E5%BD%93%E8%9C%A1%E7%83%9B%E8%B7%9D%E9%80%8F%E9%95%9C6cm%E6%97%B6%2C%E5%85%89%E5%B1%8F%E4%B8%8A_________.)
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