What is the intensity of a sound with a measured intensity level of 84 dB? By what factor will an intensity change for a 3.7 dB increase in the sound level? A certain sound level is increased by an additional 20 dB. By how much does ...
As the distance from the sound source increases, what happens to the sound intensity? A. It increases. B. It remains the same. C. It decreases. D. It becomes zero. 相关知识点: 试题来源: 解析 C。中文解析:文中提到在封闭房间里测量不同距离处的声音强度,发现随着距离声源的距离增加,声音强度...
Fechner law.Let /denote the intensity of a sound .The least intense sound that can be heard is I'=10^(-12) watt/m^2 at a frequency of 1000 cycles/sec(this value is called the threshold of audibility).If L denotes the loudness of a sound,measured in decibels,then L=10log(I/I')...
The frequency of sound is the measure of the number of the sound wave passing through a fixed point in one second. Generally, it is measured in terms...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
In physical phenomena, intensity might refer to the energy per unit area or volume, such as the intensity of sound waves, indicating how loud a sound is, or the intensity of light, denoting its brightness. Strength, in similar contexts, is used to describe the structural integrity or the fo...
Step by step video & image solution for What is the measuring intensity of sound? by Biology experts to help you in doubts & scoring excellent marks in Class 10 exams.Updated on:21/07/2023 Class 10BIOLOGYITS RESOURCES AND THEIR CONSERVATION ...
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Not necessarily; the intensity of a thump can vary depending on the force of the impact and the materials involved. 11 What is sound? Sound is any auditory experience created by vibrations that travel through a medium such as air or water and are perceived by the ear. 10 How do sounds ...
A. Light fills the chamber on certain days of the year. B. Drums resonate loudly without being played by humans. C. The floor and walls of the chamber seem to shake. D. The intensity of sound varies greatly throughout the chamber. ...
Sound intensity depends on both particle velocity ( ) of a sound wave is defined as the amount of energy transmitted through a unit area per unit time in the direction that the sound wave is traveling. It is given by the product of the pressure and velocity of the sound wave: ...