"Mo Zhong, come here!"
Li Zexuan, who wanted to play a new game, did not act immediately, but instead called up the stunned Mo Zhong next to him.
"exist!"
Mo Zhong quickly recovered from the shock and ran to Li Zexuan's side, hunched over as if he was listening.
Li Zexuan came close to Mo Zhong's ear, whispered something, and then...
"Ah? Chief Shan! This...are you kidding me?"
Mo Zhong stared, his mouth wide enough to fit an egg in.
"Who has time to joke with you? Go ahead!"
Li Zexuan said angrily.
Everyone in the audience was a little confused when they saw this. They didn't know what Li Zexuan ordered that would make Mo Zhong look like this.
However, their doubts did not last long. After Mo Zhong ran out and touched half a cup of tea, everyone noticed something strange and screamed in surprise!
Because Mo Zhong actually ran to the roof to uncover the tiles!
There is a saying that goes well, if you don't fight for three days, you will go to the house and uncover the tiles. All the teachers and students in the audience couldn't help but wonder in their hearts: What kind of madness has Mo Zhong got? How dare you go to the roof and lift the tiles?
"Shan Chief, do you think it's okay to peel off this piece?"
Mo Zhong, who was on the roof, leaned down and shouted down.
"Buzz~!"
The students and teachers in the auditorium finally understood that Li Zexuan had just ordered Mo Zhong just to unveil the roof! They couldn't understand the meaning of Li Zexuan's move, and couldn't help but discuss it among themselves.
"No! Go further back!"
Li Zexuan glanced sideways and then replied.
Mo Zhong on the roof had no choice but to cover the uncovered tiles, then opened another piece and asked: "Shan Chief, is this okay?"
"That's it!"
"Then...I'm going down then!"
"Stay up there for now, I'll need you later!"
The strange conversation between these two people shocked everyone. Fortunately, after saying this, Li Zexuan finally became "normal". He dug out a piece of cake from a box on the desk. The bright triangular glass then said to everyone in the audience:
"Does anyone know what color sunlight is?"
(About optics, the academy’s first “Physics” textbook did not mention it)
"Do you even need to ask? The sun's rays must be white!"
As soon as he finished speaking, Cheng Chumo couldn't help but laugh.
"It's obviously red! The morning sun is so red, how could it be white?"
Another student immediately retorted.
"What red? It's obviously yellow, but you can't even tell the difference between red and yellow?"
After a while, there was a commotion in the audience. Li Zexuan coughed twice and said: "Okay, everyone, be quiet! There is no need to argue. Next, I will show you what color the sun is!"
The students immediately fell silent and looked towards the podium with breathless concentration!
Li Zexuan first set up a stand on the podium, with white paper stuck between the stands (as a white screen), and then he used the side of the triangular colored glass to face the sun (only then did everyone understand that Mo Zhong ran to the roof to uncover the tiles. For what purpose, it turned out to be to bring in the sunlight), a magical scene appeared!
"Okay, what did you see?"
Li Zexuan pointed at the white screen on the podium and smiled.
"Wow~!"
The teachers and students were in an uproar. They actually saw a colorful spot on the white paper. Isn't this a rainbow?
"Rainbow? It's not raining. Where did the rainbow come from?"
"Yes! It's sunny today, isn't it?"
"What a miracle! The mountain leader can actually create a rainbow?"
"No! The mountain leader probably wants to tell us that the sun has seven colors!"
"How is that possible? Why is the sunlight I see white?"
"What white? It's obviously yellow!"
"Red!"
The students marveled for a while, and some started to argue again. Li Zexuan said: "Quiet! I just want to tell you through this little game that many times what you see with your own eyes may not be true! Just For example, sunlight, some of you think it is white, red, yellow, or transparent, but in fact? It is made up of seven colors mixed together!
For another example, have you ever thought about what kind of substance light is? Is it as ethereal as sound, or is it a real substance like the rice and flour we eat? "
Upon hearing this, everyone fell into deep thought.
After a while, a relatively thin and green-looking student stood up and asked, "Student Li Yan, please tell me, the mountain leader, what is light?"
Li Yan, this is Li Chunfeng’s son!
Li Zexuan's heart was moved. He had seen Li Yan on the entrance examination transcript and knew that this boy was Li Chunfeng's son, but this was the first time he had met Li Yan.
only.....
"Haha! This is a good question! But let's put this question aside for now, and then I will let you play a small game!"
But Li Zexuan showed a faint smile again, and then said "cheaply".
Li Yan: "￣へ￣..."
Even Li Yan, who is a Taoist and has cultivated his moral character for many years and is quiet and inactive, can't help but want to jump at this moment. He opened his mouth and wanted to... want to say a few swear words, but after thinking about it, he sat back. .
Even if he is like this, let alone the other students!
"Chief, please tell us clearly first!"
"That's right! Let's play the game after we explain it clearly!"
"Cao, it's like this again! You know how to play games! Play your sister's games!" (This is what Li Tai, the younger sister, muttered angrily in private)
Li Zexuan's face was stern, he pressed his hands down and said, "Quiet, everyone! Don't be afraid of being late if you have a good meal. Why are you so anxious when you can't eat hot tofu? Watch them carefully and study hard!"
Seeing that Li Zexuan was about to get angry, the students wisely kept their mouths shut.
"Mo Yun, give this to Mo Zhong!"
At this time, Li Zexuan took out a wooden board (there was a small hole in the wooden board), handed the board to Mo Yun, and gave instructions.
Then, he ordered the students to close all the curtains (this auditorium has glass windows). At this time, Mo Yun had already taken the wooden board to the roof and handed it to Mo Zhong.
"Mo Zhong, cover the hole in the roof with wooden boards!"
Li Zexuan ordered again.
Mo Zhong did as he was told, and suddenly the entire auditorium fell into darkness. Only a very thin beam of light appeared on Li Zexuan's side, which looked particularly conspicuous.
Immediately afterwards, everyone heard Li Zexuan say: "I have a piece of paper in my hand now. There are two slits very close to each other on the paper. After a while, I will put the slits under the beam. You can see what will happen. !”
Students and teachers all wonder: What could happen? Isn't it just that one beam of light turns into two beams of light?
However, reality slapped everyone in the face again and again, and a section of alternating light and dark stripes appeared on the white screen in the darkness. There were more than two bright stripes! But everyone clearly saw the paper Li Zexuan held up, and only two beams of light came down! Why are there so many stripes underneath?
.....................
