angle in disguise
The angle between the reflection angle and the incident angle increases
According to the law of reflection, the angle of reflection is equal to the angle of incidence. If the angle between the reflection angle and the incident angle increases, let the angle increase be the angle of the reflection angle, then it may be that the normal line is close to or far away from the incident ray, causing the incident angle to increase or decrease by the angle of the reflection angle. Because the reflection angle is equal to the incident angle, the reflection angle will also increase or decrease by the angle of the reflection angle, so that the angle between the reflection ray and the incident ray increases or decreases by the angle of the reflection angle. For example, in the problem of mirror rotation, if the normal line is far away from the incident light, the incident angle increases by angle (a), the reflection angle also increases by angle (a), and the angle between the reflected light and the incident light increases by angle (2a).
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1 answer
2026-07-14 16:33
At most, there is a counter-proof that the angle is a right angle
When using reduction to absurdity to prove that "at most one angle is a right angle," one first had to raise the proposition that "at most one angle is a right angle," and then set the anti-proposition that "at most two or three angles are right angles."(Since the original proposition indicated that the number of right angles was at most one, then the contradiction was that the number of right angles was two or three). Next, he deduced according to the rules of reasoning to prove the falsehood of the counter-proposition. Finally, according to the Law of Excluded Middle, since the opposite proposition was false, the original proposition that "at most one angle is a right angle" was true.
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2026-07-15 03:24
How to calculate the reflection angle and refraction angle
The angle of reflection was equal to the angle of incidence. In junior high school physics, the angle of incidence was usually represented by i, and the angle of reflection was represented by r. Therefore, the angle of reflection could be obtained from the angle of incidence.
The angle of refraction can be calculated using the formula n=c/v=sinA /sinB, n = sini:sinr, where n is the index of refraction, c is the speed of light in vacuum, v is the speed of light in the medium, A is the angle of incidence, and B is the angle of refraction. It can also be calculated according to the formula sin 6i/sin 6t =n21, where the angle of incidence is represented by 6i, the angle of refraction is represented by 6t, and n21 is the relative index of refraction of the second medium to the first medium.
In addition, when light enters water or other media diagonally from the air, the angle of refraction is smaller than the angle of incidence. When the angle of incidence increases, the angle of refraction increases. When light enters air diagonally from water or other media, the angle of refraction is greater than the angle of incidence. When light enters vertically from the air (or other media), the direction of transmission does not change. At this time, the angle of incidence, the angle of reflection, and the angle of refraction are all equal to 0°.
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2026-08-19 01:45
Disguise, disguise, replace comics
I don't quite understand the exact meaning of your question. If you want to ask what kind of disguises are there in the comics, like in " Dragons and Demons ", Azhu is good at disguising herself. She can pretend to be a variety of characters, such as pretending to be Qiao Feng to deceive Duan Yu, etc. In Detective Conan, the thief Gid is good at disguising himself, pretending to be Kudo Shinichi, Mao Lilan, etc. If you want to ask about the special meaning of disguising in the manga or other related content, please clarify the question.
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1 answer
2026-07-22 19:39
Disguise
Disguise was a technique (art) to change a person's appearance. In modern times, it was called "plastic makeup." It generally included pouring out the negative mold, turning out the real plaster of the face on the negative mold, correcting the plaster with plastic clay, making the final model, blowing the mask, polishing and coloring further processing. Nowadays, there were new forms of disguise techniques with the help of technology. For example, the silica gel masks that appeared on e-commerce platforms could be customized according to 3D data or photos. The similarity could reach 90%, and the price ranged from tens of yuan to tens of thousands of yuan. There was a risk that these masks could be used for illegal activities. For example, in the first half of 2024, suspects in Shanghai, Xuzhou, Jiangsu, and other places were wearing silica gel masks to disguise themselves as thieves. In Nanyang, Henan, there were also cases of men in their 50s wearing masks to commit theft. Disguise could be used in a criminal situation. Although it might confuse others for a while, it would eventually be difficult to escape the law. However, disguising could also be used in legal performances, makeup arts, and other fields. For example, in ancient songs, stage performances, and other situations, disguising effects could be achieved through makeup, masks, and other means to create a unique artistic presentation.
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1 answer
2026-07-24 02:50
Disguise can disguise as someone else
In principle, the disguise technique could disguise one as someone else. Modern disguise techniques were known as " plastic makeup." Through the steps of reversing the female mold, turning the plaster statue, correcting it with plastic clay, making the final model, blowing the mask, polishing and coloring, one could change the appearance of a person. In real life, there were men who wore " human skin masks " to steal. Although they were eventually seen through by the police, it also proved that the disguise technique could disguise people to a certain extent. In the field of special agents, outstanding agents like Zhou Enlai also had superb disguising skills. They could disguise themselves as other people without being seen through. Moreover, special agent disguising skills also emphasized the speed of transformation. In some movies and novels, there were similar scenes of disguising as others, such as Belmond's disguising technique.
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1 answer
2026-07-22 01:05
Who is the man in disguise in 'the man in disguise novel'?
I'm not sure as I haven't read the specific 'the man in disguise novel'. It could be the protagonist who has some secret mission or is trying to hide his true identity for various reasons like escaping from enemies or uncovering a mystery.
3 answers
2024-11-19 13:03
The angle of literary appreciation
The angle of literary appreciation varies from person to person, but generally speaking, you can appreciate novels from the following aspects:
Plot: The plot of a novel is one of the important factors that attract readers. The reader can explore the plot of the novel and analyze its conception, development, turns, and ending in order to better understand the author's intentions.
2. Character: The characters in the novel are the soul of the plot. The reader can pay close attention to the main characters in the novel to understand their background, personality, motivation, and fate in order to better understand the theme and emotions of the novel.
3. Language: The language of a novel is an important tool to convey emotions and thoughts. The reader can pay attention to the language, rhetoric, and style of the novel in order to better feel the emotions and thoughts of the novel.
4. The theme of the novel is usually the feelings, thoughts, and values that the author wants to express. The reader could feel the author's emotions and thoughts from the novel and think about his own life and values.
5. The structure of a novel can be linear, non-linear, or stream-of-consciousness. The reader can analyze the structure of the novel, such as the relationship between chapters, passages, sentences, and vocabulary, in order to better understand the theme and emotion of the novel.
Literature appreciation required comprehensive consideration of many aspects, including plot, characters, language, theme, and structure. The reader can better understand the meaning and value of the novel by exploring different aspects of the novel.
1 answer
2025-03-05 17:44
The angle of the moon and the moon
On the first day of the month, the difference between the ecliptic of the moon and the sun was 0°, and the angle of the moon was the same. On the full moon, the difference between the ecliptic of the moon and the sun was 180°, and the two were in opposite directions.
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1 answer
2026-06-18 04:00
Diagonal angle of the cube
The two diagonal lines of the cube are in the same plane. Let the length of the cube be a, and the diagonal line of the cube be (<sqrt{2}a>>), the angle between the face diagonal and the body diagonal.(\alpha = \arctan\sqrt{2}\), get (alpha = 54.7356) degrees, the diagonal of the two bodies meet at a point to form two isosceles-shaped triangle, so the top angle of the isosceles-shaped triangle is the top angle.(The angle of the diagonal line)(<beta>= 180 - 2 <alpha>= 70.5288>) degrees; The angle formed by the diagonal and the bottom of the cube is <A>,<A>=<frac{1}><sqrt{3}>>=<approx0.5774>>,<A>=<arcsin0.5774>=<approx35.27 ^{<circ}>(The final result is kept in two decimals).
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1 answer
2026-07-04 18:55
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