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It's just a pity that clear water can't make diamonds and glass have a significant difference in refractive index.

So when Yunwei poured the broken diamonds and broken glass into the glass, there was still no obvious distinction between the broken diamonds and broken glass. They all showed almost the same reflection, and there was no difference at all.

Fang Lisha couldn't help saying: "Yunwei, don't waste everyone's time. It's only one minute. Don't think you can complete this assessment."

Yun Wei smiled, and sprinkled what she was holding into the clear water in the glass. The clear water slowly changed, becoming a little muddy and thick.

But as she sprinkled the substance in her hand, a miracle appeared. Some of the things emitted a very bright light. The shining light was hard to ignore, and some of them gradually disappeared and the light and color were merged into the water. One.

Yun Wei breathed a sigh of relief and said: "Leng Shao, now it is diamonds that are emitting light, and the one that is consistent with the color of water is glass. If you want to select broken diamonds and broken glass, you only need to use light. Just follow and pick out the luminous ones."

Ming Ye Leng felt a little shocked, Yun Wei finally solved the problem!

Although Ming Ye Leng understands her ingenuity, but this time she has really seen it.

He looked sideways at Yun Wei, Yun Wei always had a smile on her face, but she didn't have much pride.

Fang Lisha saw that Ming Ye Leng kept looking at Yun Wei and couldn’t make it through. She immediately said, “Leng Shao, don’t trust Yun Wei, you said, you can only use the things in this conference room to solve the problem. What she was holding in her hand was obviously brought in from outside! She cheated Leng Shao! She must have used some chemicals brought in from outside, heavy liquid separation and other methods..."

The other students also didn't believe that Yun Wei could solve the problem so easily, and looked at Yun Wei displeased.

Yun Wei spread out her palms and said, "Indeed, I put something in the clear water. The refractive index of glass is completely different from that of diamond, and even the refractive indexes of glass, water and diamond are not the same, so Putting everyone together is the same as putting them in the air. There is no difference. But if the refractive index of water becomes the same as that of glass, then the glass can be integrated with the water, and the refractive index of diamond is different from the two of them. Eye-catching."

"Your explanation can convince us, but what you use can't convince us!" a boy said.

Several other candidates also shook their heads: "If the examination questions are not clear, it does not conform to the test rules, right? Leng Shao?"

Ming Ye looked at Yun Wei coldly: "Yun Wei, what do you say?"

Yun Wei smiled and said, "I use something that can make the refractive index of water the same as glass. It's very simple. It's just salt. This is what I found when I poured water over there just now. , And then grabbed it into the palm of the palm. It’s normal for this salt to appear in the meeting room. I heard that many people use salt to wash cups with tea stains. When meeting in the meeting room, many teachers like to drink tea. I thoughtfully prepared salt here. It seems normal, right?"

Hearing Yun Wei's words, everyone discovered that there was indeed a bag of salt in the place where the water was poured. It seemed that it had been placed there a long time ago.