I Just Want to Be a Quiet Top Student
Chapter 84 Cultivate Hands-on Ability
Mu Rong flicked her finger to move the tuning fork.
The Y-shaped tuning fork inserted on the base vibrates rhythmically.
Buzz~buzz~
Mu Rong raised a finger to her lips to make a silence gesture, signaling Shen Qi not to speak, and the sound wave display device was recording the changes in the surrounding sound waves.
Shen Qi listened to the vibrating and humming of the tuning fork, and looked at the screen of the acoustic wave display. A group of continuous wave-shaped images appeared on the screen periodically.
Soon, the tuning fork experiment was over.
"Shen Qi, what did you hear?" Mu Rong asked.
Shen Qi replied: "I heard f(t)."
"Any temperament, that is, a periodic sound, can be represented by an appropriate combination of harmonics, so what is the coefficient of f(t)?" Mu Rong asked again.
"I don't know." Shen Qi shook his head.
"have no idea?"
"I really don't know, the conditions are insufficient."
"Actually, Shen Qi, you just said that what you heard was not a sound, but f(t)."
"Of course I know the Fourier series of f(t), but if you want to find the coefficient of f(t)..." Shen Qi stared at the screen of the sound wave display, trying to find some useful clues.
"Don't look at the screen, your level is limited at this stage, it's useless to look at it." Mu Rong operated the computer and printer connected to the sonic display, beeping, and the printer began to print paper.
"Senior sister, you clearly know that my level is limited, but you still ask me questions that I can't answer?" Shen Qi was speechless.
"I'll find out after asking." Mu Rong said it as a matter of course, and laughed.
"Where is the demeanor of Dr. Yan, senior sister?"
"Personal is the description of a male doctor. I hope Shen Qi, you can become such a male god one day." Mu Rong spread out the printed blueprints on the laboratory table, "Shen Qi, look at the blueprints."
There are clear coordinate scales on the printed waveform diagram, and Shen Qi understood in seconds: "Isn't the coefficient of a0 just the amplitude, that is, 0.001? Isn't the ω in sinωt just the frequency, that is, 72000? Find an integral for f(t) and divide it by Just a T and it’s done.”
"So Shen Qi, you are still instinctively using mathematical thinking to face physics problems. Of course, physics cannot be separated from mathematics, but do you understand what I want to say?" Mu Rong straightened her mind and asked.
"Mr. Mu, what do you want to say is the wave of G major? Why is it called the wave of G major? I can understand the wave. The vibration of the tuning fork collides with the nearby air molecules to produce condensation, and the previous position of these air molecules creates a new wave. Another thin space, which is sparse."
"So what our ears receive is the condensation and rarefaction of air molecules. This process is represented by the instrument as a set of wave patterns. We can expand f(t) according to the Fourier series, and use the mathematical physics model to qualitatively and quantitatively explain the sound. The essence and mystery, and it can even be used to create sonic weapons of different frequencies. But I still don't quite understand, what role does the G major play in this experiment?" Shen Qi answered fluently but still had doubts.
Mu Rong didn't answer but instead asked, "You don't usually listen to music, do you?"
Shen Qi: "Who said that, I am very fond of music. I often listen to songs by Dehua, Xueyou, Eason, and Jay."
Murong laughed speechlessly: "Have you heard of Deldera?"
Shen Qi shook his head: "I've heard of De Dema."
"Where's Ravel?"
"I prefer Tengger."
"Junior brother, you are still a long way from being a handsome male god. You can only read books and become the champion of the quiz competition. You see, the physicists hanging on the wall of this laboratory are all middle-aged and elderly uncles." , but they were handsome when they were young, and all of them are smart and artistic male gods."
Mu Rong took off the rimless glasses, wiped the lenses and put them back on again: "C major is too moderate and even pale, F major is a smile with tears, only G major is full of vitality, which makes people extremely excited. You Don't you think physics is most similar to G major?"
"I don't think so." Shen Qi shook his head, and he didn't feel that C major was pale and feeble, F major had tears in his smile, and A, B, C, D, E, F, G major were all the same thing to him.
"Well, pretend I didn't say it." Mu Rong sighed. The female doctor of physics actually has a bit of literary heart.
"Do you understand this experiment? You may have to practice it in the future." Mu Rong asked, and then pulled out the tuning fork from the base.
Shen Qi took the tuning fork and fiddled with it on the base: "Basically understood, come on, I'll practice it now, Teacher Mu, guide me...Mr. Mu, where do you insert this thing? Why can't it be inserted? "
"Shen Qi, why are you so stupid! Why is your practical ability so weak! Will you insert it into a small slot?"
"Don't use brute force. There is a switch. If the experimental equipment is damaged, Shen Qi will pay for it. I'll tell you. I've been dying of poverty recently, and I don't have any money for car maintenance. Don't destroy it for me."
"Don't drive if you don't have money for maintenance. Safety comes first."
"..."
Under the guidance of Mu Rong, Shen Qi practiced this sound wave experiment time and time again. His practical ability is indeed lacking. Hasn't he been doing theoretical research this year, and he hasn't done much experimentation.
With the tuning fork in place, the teacher and the student stopped talking after the experiment started, and the dialogue between humans would affect the results of the sound wave recording.
Shen Qi doesn't need to go to the teaching building to attend classes, he can spend all day in the laboratory.
The other team members arrived at the laboratory in the afternoon, and Shen Qi left as soon as they arrived.
Shen Qi didn't like to listen to the CPhO theoretical questions that Mu Rong gave to all the team members. What he was strong on was theory, so he could just go back and do the mock questions by himself.
After all, Mu Rong had to take care of most of the team members. When she and Shen Qi were alone, she would talk about more in-depth physics theories, and focus on routine routines for all the team members.
The main purpose of Shen Qi asking Murong for advice is to expand his knowledge, and CPhO is an incidental link.
For a few days every month, Shen Qi would go back to Class Three (2) for inspection.
Gu Xiaodan and Chen Xiaoting are particularly grateful to Shen Qi. After studying Shen Qi's mathematics experience, their mathematics scores have made great progress within a few months and have remained stable.
Gu Xiaodan vowed that in the next two or three months, he must redouble his efforts to apply for the universities in the capital. Yanda and Shuimu are not counting on it. Let's see if there is any hope of getting into Beijing Institute of Technology and Beijing Chemical Industry.
"I, Gu Xiaodan, have never obeyed anyone in my life, but I have obeyed Boss Shen Qi. I did not take the university entrance examination in the capital for anything else, but to do the same work for the big boss. The most important thing to be a human being is to be grateful." Gu Xiaodan Dan said, patting his chest.
"Traitor, you bastard!" Chen Xiaoting was still brooding over Gu Xiaodan, her body trembling slightly.
"Chen Xiaoting, you can say that I'm cowardly, but you must never doubt my loyalty to Boss Shen Qi!" Gu Xiaodan jumped at the case, very angry.
Chen Xiaoting also stood up, without backing down: "Traitor, coward, no principles!"
Chen Xiaoting has grown to 1.75 meters, and her chest is flatter than her legs.
Gu Xiaodan is only 1.64 meters tall, and he loses a bit in momentum: "Forget it, good men don't fight with women."
"Gu Xiaodan, shut up, let's talk about getting admitted to Beijing Institute of Technology and Beijing Chemical Industry, and don't brag." Shen Qi scolded Gu Xiaodan, and asked Chen Xiaoting after the matter: "What about you, where did you get the exam?"
"I..." Chen Xiaoting hesitated, hesitated to speak, and finally said: "I haven't made up my mind yet."
"Xiaoting, don't you have a specialty, can you play the piano or play the piano? I remember this time last year, I said to go to the movies, AA, you said that you don't have time to practice the piano, and then we went to the school gate to have a fast food, you bought it Single." Shen Qi asked.
"That's right, you used imaginary numbers, real numbers, Abelian groups, etc., to drive the shop assistants crazy." Chen Xiaoting couldn't help laughing when she thought of this.
Time flies, looking back on the past, Shen Qi couldn't help but laugh: "That's not the point, I'll just ask you, what kind of piano do you practice?"
"violin."
"Then you can get extra points in the college entrance examination?"
"No." Chen Xiaoting shook her head and explained: "Art expertise is no longer given extra points. The items that add points to the college entrance examination are provincial outstanding students, three-good students, the top three in the national finals of subject competitions, and achievements in sports should also be able to Bonus points, there are also children of martyrs, ethnic minorities...there are only a few extra points that I remember. So, Shen Qi, if you take the college entrance examination, you can get extra points."
"Boss Shen Qi still needs extra points? He's almost 740 in the mock exam, and if you add more than ten or twenty points, the 750 is overflowing!" Gu Xiaodan couldn't help but turn around and said, thinking about it carefully , This is so unfair, a top student with good grades can get extra points, Shen Qi doesn't need extra points at all, it's better to give it to me if it's a waste.
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