A sea of stars for top students

Finally, when it was time to collect the paper, Zhang Qiu turned in the paper. The expression on his face... Well, it reminded Wu Bin of an uncommon word that Zhou Wenxiang taught them two days ago.

fall

To describe a person who has fallen into despair, the vernacular probably means that there is no love left in life.

Wu Bin finished handing in his papers and walked out with Zhang Qiu. He didn't know what to say on the way. Anyway, it was definitely not the kind of atmosphere where he could ask how did your exam go?

When he was about to leave the school, Zhang Qiu suddenly said to Wu Bin: Don't be sad. The paper is indeed a bit difficult this time. It's normal if you can't do it. Thank you for waiting for me until the end of the exam.

Zhang Qiu had naturally seen Wu Bin's situation and found that he had put down his pen early, obviously giving up.

???

Wu Bin scratched his head and swallowed I think it's pretty simple overall.

The two returned to the agreed meeting point, and Wu Bin found that the expressions of the other people were not good either.

At this time, Bi Wanqing came over, clapped his hands and said, Okay, don't think about it after the exam. Let's go back to school.

As the bus drove to school, there was a gloomy look in the car, until a boy who was a sophomore in high school said weakly: What did you choose for the multiple-choice question...

quiet……

The sophomore boys originally thought that the seniors would be better at optical problems, but judging from this reaction, they probably gave up...

Of course, except for Wu Bin, he thought it was better for him not to say anything at this time.

I should choose B and C. There is no loss of energy, so the light intensity of the light pulse after passing through the glass rod should be the same as the original light intensity. BC is consistent with this.

Huh... I also chose BC with this idea. I spent a long time reading the questions. Another high school boy breathed a sigh of relief and felt that he had passed the test.

But the question is about three different wavelengths of light. They propagate at different speeds in the same medium, so the time it takes to reach the right end of the glass rod is different.

At this time, Wu Bin couldn't hold back and spoke. All the eyes of the senior high school students turned to him and started to recall the question crazily.

Gan... what a trap!

The face of the boy who was the first to say that he chose BC changed drastically.

Then only D fits the bill!

Throw it away! That's what it means if you don't consider the reflection loss. It's poisonous!

The senior high school students were in mourning, while the four senior high school students and high school students looked at Wu Bin with admiration. It seemed that he was the only one in the car who answered correctly.

After Zhang Qiu wailed for a while, he asked again: Wu Bin, how many optical questions have you done?

Oh... I think I did it. Wu Bin nodded.

What about the lens for the fill-in-the-blank question? How did you do it?

F is parallel to the lens, so it can be used as a secondary optical axis, and then the light from the dot is extended and intersected with the secondary optical axis at P, so all the light converges...

Okay, stop talking, I want to be quiet.

When he heard Wu Bin talking about the secondary optical axis, Zhang Qiu knew that his solution to the problem was wrong, and he looked out the window with a look of confusion.

Now several other high school seniors realized that this classmate who suddenly caught the last train for the competition was such a big shot!

Um, hello, are you Wu Bin from Class 3, right?

One of the boys wearing glasses sat down next to Wu Bin and said hello.

Yes. Wu Bin nodded.

It's a shame, but our teacher used you as an example to criticize us miserably.

Faced with this kind of problem, what could Wu Bin say? He could only give him an awkward but polite smile.

After saying hello, the man with glasses went straight to the topic, Boss, what is the charge question in your fill-in-the-blank question? Is it 6 muku?

No, it's San Miuku. Wu Bin shook his head.

Huh??? The man with glasses instantly petrified. After all, he now understood that the person in front of him was the big boss. If the answer was different from the big boss's, wouldn't he be determined?

Looking at the bespectacled man's open mouth, Wu Bin explained casually: The question says that the condition for two charged bodies to no longer exchange charges is not that the charges are equal, but that the potentials of the two are equal. You should ignore it. That’s it, it’s all for the first time…”

Okay, boss, please stop talking. I also want to be quiet.

Seeing the two Shi Lezhi looking up at the sky, the remaining senior high school students suddenly trembled. They wanted to ask but didn't dare to ask, for fear of being irritated!

But the two freshmen in high school didn't have any scruples, especially the girl with a ponytail, who had slowly moved next to Wu Bin and started asking questions. Every time Wu Bin solved a question for her, there were more stars in her eyes. A few more.

Bi Wanqing, who was sitting at the front, smiled as he listened to the discussion behind him and couldn't help but think.

‘It seems that this year we will finally have a student from Xia Zhong show his face in front of those committee members. ’

When the bus was about to return to school, the little girl in the first year of high school lowered her head, blushed, and asked in a voice as thin as a mosquito: Senior, if possible, can you add me on WeChat? I still have some questions to ask. .”

Logically speaking, those senior high school boys should definitely be making noise in this situation, but how can they be in that mood now? When Wu Bin analyzed the answer to the girl, they were also listening. At this moment, they were doubting life and felt that they had participated in the third year. Competition training during annual leave.

On the other hand, the two sophomores in high school are full of envy. The title senior is actually very rare to be heard in school. Generally, girls in the lower grades either call them by their first names or call them Brother X. Girls can call you senior... One situation It's because she wants to show that she respects you. The second case is that she wants to show that she's cute in front of you.

The difference between the two is almost the same as that joke.

The hero saves the beauty. If the hero is handsome, the beauty will say: The little girl has nothing to repay, so she can only pledge herself to her. If she is not handsome, she will say: The little girl has nothing to repay, so she can repay this great kindness by being a cow or a horse in the next life. .”

Judging from the girl's performance, it's obviously the former...

The freshman in high school was even more devastated. When he knew that they were the only ones participating in the competition this time, he had already thought of what to name their children! After all, we had to work hard on the competition together for three years, and now...it's over, it's all over.

If you don't understand clearly on WeChat, if you want to ask questions, just come to me in Class 3, Grade 3. At this time, Wu Bin answered very responsibly.

? ? ?

Damn it? Is there such an operation? ? ? The whole car was stunned.

The girl didn't expect that she would be rejected. In embarrassment, she shouted Thank you, senior and ran to her original seat.

‘Well, there are really not many good people like me who are responsible and helpful. No wonder the people behind are so surprised. ’ Wu Bin couldn’t help but sigh.

Park the car and open the door.

Everyone got out of the car one after another. Except for Wu Bin, everyone looked solemn. Although the reasons were different, they all had something to do with Wu Bin.

Bi Wanqing said some words of encouragement to his classmates as usual and dismissed them.

Wu Bin, please stay for a while.

Wu Bin, who was about to turn around, stood still after hearing this.

Go have lunch with the teacher?

OK.

Wu Bin smiled happily. After all, the braised pork in the teachers’ cafeteria is really delicious!

After the teachers and students arrived at the teachers' cafeteria, several teachers they knew in the team greeted each other, including Teacher Lu Gang, whom Wu Bin had met before.

Lu Gang naturally saw him and said, Okay, Teacher Bi brings students to the cafeteria to eat. This is the first time I have seen it. It seems that you did well in the exam today?

It's okay. Wu Bin nodded modestly.

Quite modest. After Lu Gang finished speaking, he looked at Bi Wanqing and asked, Teacher Bi, how did he do in the exam?

I haven't asked properly yet, but it should be pretty good. Maybe we, Kasumi, can improve our quality this time.

Oh!? So powerful. Lu Gang glanced at Wu Bin in surprise, and he naturally understood what Bi Wanqing meant.

So while eating, Lu Gang also sat next to Wu Bin and discussed the topic of this competition.

The three teachers and students were very excited during the discussion and analyzed each question, so the eating time was particularly long. As a result, several teachers from the physics group who came to eat later also joined in, including Cai Guoping of course.

When Wu Bin asked the last question about gravity, Lu Gang almost slapped the stage after hearing it, but he held it back when he thought that this was a public place.

This is to lead students into a trap. Most students must be worried about the treatment of air resistance. Once the role of air resistance is considered in the analysis at hand, it will be difficult to formulate the gravity equation.

‘This teacher has something. ’

The moment Wu Bin finished speaking, he pointed out the difficulty of this question, which was very impressive for a teacher.

The other teachers nodded after hearing this.

“This year seems to be a year of [relative difficulty].”

Cai Guoping sighed with emotion.

High school physics competitions have always been divided into relatively difficult and relatively easy, which are completely determined by the mood and level of the person who poses the question.

Then how did you answer? Lu Gang patted Wu Bin and asked.

Oh, I am...

After a group of teachers and students finished analyzing the entire big question, they were the only ones left in the cafeteria.

Good solution! Let me tell you, it's a good thing you didn't use calculus, otherwise it would be easy to ignore the question and estimate the density of the atmosphere, and in the end you still wouldn't be able to calculate the correct result. Lu Gang praised vigorously.

Thank you, teacher.

When Wu Bin figured out the answer, he knew that he was definitely right, so he didn't feel like a hanging boulder was falling.

While several other teachers were discussing, Wang Xuhong, a physics teacher from Class 5, suddenly exclaimed: I just discovered that this kid has a high probability of getting perfect marks!

yes!

Everyone came to their senses from the last question. Judging from the discussion, all of Wu Bin's ideas for solving the problem were correct. As long as the process was correct, he would be a perfect scorer.

Haha, I told you that you can do it!

Cai Guoping was the first to pat Wu Bin on the back and laughed.

Now we, Xiazhong, can finally show our faces.

Lao Cai can do it. If you teach this dark horse, you can play it for a year.

One year? I'm so blown away! Oh, it's so rough.

Hahahahaha.

All the teachers laughed.

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