What is a physical phenomenon that lingers for three days

Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time. But it will get weaker and weaker. Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time.

But it will get weaker and weaker. Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time. But it will get weaker and weaker.

Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time. But it will get weaker and weaker. Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time.

But it will get weaker and weaker. Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time. But it will get weaker and weaker.

Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time. But it will get weaker and weaker. Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time.

But it will get weaker and weaker. Sound is a vibration that is reflected when it travels through space, and when it is smaller, it creates multiple reflections that overlap and then remain audible for a longer period of time. But it will get weaker and weaker.

It is caused by one and multiple reflections of sound waves in the air.

The aftermath lingered for three days. It is a kind of echo in physics, a phenomenon.

When sound waves encounter obstacles, they will be reflected and diffused, and they can be heard for a long time in a specific space, but it is an artistic exaggeration to keep doing so for three days.

Sound diffusion and reflection phenomena.

The aftermath lingered for three days.

Three days: It means a long time, because the sound waves are reflected many times when they encounter obstacles, although the sound source stops vibrating, the sound waves are still transmitted in the medium echo Tuanzu Bridge.

The physical phenomenon refers to the reflection phenomenon of sound, and the "reverberation of sound collapse".

Sound is a kind of wave, in the process of propagation when encountering obstacles, it will be reversed, forming an echo clear grip "There is no aftermath around the beam, three days endlessly", from the point of view of physics, it is an echo phenomenon

So the answer is: echo

The aftermath lingers around the beam for three days, and the sedan cong is a psychological phenomenon () closed.

a.The constancy of perception.

b.Feel the back image.

c.Zheng You's hallucinations that normal people will have.

d.Synesthesia.

Correct answer: B

The aftermath lingered for three days. From the perspective of physics, from the point of view of physics:

1. Sound waves have the characteristics of continuous reciprocating propagation.

2. Sound waves can cause resonance.

(1) Aftersound refers to echo. The first thing to know is that the sound emitted by the sound source can create an echo when it hits an obstacle. When the distance between the sound source and the obstacle is greater than 17 meters, the original sound can be distinguished from the echo; Three days is that the echo reaches resonance for a long time and cannot disappear (2) According to the principle of fluid mechanics, the pressure of the fluid at a large flow rate is small.

When a train with a large speed passes quickly past the person standing next to the lane, the air flow between the person and the car has a large speed and low pressure, and the person is pressed to the train under the action of the outside air pressure, causing a serious traffic accident. Hope it helps, thank you. Satisfied.

Sound is a kind of wave, in the process of propagation when encountering obstacles will be reflected, "aftersound" is due to the echo phenomenon generated, and the sound wave will continue to reflect until its energy is all gone

Because the sound transmission speed of solids is greater than that of gases, the ancient people "fell to the ground to listen", and the sound of horses' hooves passed through the earth to human ears, so that they could be the first to judge whether there was a herd of horses

So the answer is: echo, solid is capable of transmitting sound

The beautiful ** reverberates on the roof beam for a long time, making people feel that they have not stopped for a long time. It is described as a beautiful voice and an unforgettable impression. Reading guide** can make people happy and worried; It can make people dance, or it can make people cry and cry.

After going and the aftermath lingers, it will not stop for three days, and the left and right will go with its people. If you go against the journey, you will be humiliated by the reverse traveler. Han E wept because of the sound of man, and the old and young were sad for a mile, weeping for each other, and they did not eat for three days, and chased after her.

E also, revert to the long song of Mansheng. A respect for the old and the young in the joy of dancing, Fu can help himself, forget the sorrow also, is a generous bribe. The people who have returned to their hometown Yongmen have been singing and crying so far, and the last voice of E'e is also.

It's just listening to the song and reminiscing for a long time!