Table of Contents
What is the intensity of a sound wave called?
The amplitude of a sound wave is its intensity.
What is a vibration wave called?
This type of wave is known as a longitudinal wave , so named because the energy travels along the direction of vibration of the particles.
What are vibrations in the body called?
Whole body vibration (WBV) is a generic term used when vibrations (mechanical oscillations) of any frequency are transferred to the human body. Humans are generally exposed to many different forms of vibration in their daily lives.
What is the size of vibrations called?
amplitude
The size of a vibration is called the amplitude. The bigger the amplitude, the louder the sound. Different activities can be used to demonstrate how sound is made by vibrations.
What is meant by sound intensity?
sound intensity, amount of energy flowing per unit time through a unit area that is perpendicular to the direction in which the sound waves are travelling.
What is wave intensity?
The intensity (I) of a wave is defined as the rate at which it transfers energy divided by the area over which the energy is spread. In other words, intensity is the rate of energy flow per unit area.
What is longitudinal vibration?
[‚län·jə′tüd·ən·əl vī′brā·shən] (mechanics) A continuing periodic change in the displacement of elements of a rod-shaped object in the direction of the long axis of the rod.
What is vibration velocity?
Velocity refers to the rate of change in the position of the DUT. Speed varies during vibration testing. At the highest point, or peak, of the cycle, the DUT is momentarily at a standstill and the velocity is zero.
What are types of vibration?
A vibrating motion can be oscillating, reciprocating, or periodic. Vibration can also be either harmonic or random. Harmonic vibration occurs when a vibration’s frequency and magnitude are constant. A vibration is random when the frequency and magnitude vary with time.
What are the two types of vibration?
There are two types of vibration: whole body vibration and hand-arm vibration – both can cause ill health.
How does the frequency of vibration affect your body?
Vibration frequency helps determine the intensity of those physiological responses. One of many reflexes that assist in the smooth movement of your body. It helps protect it from sudden or unexpected movements. It is activated by stretching muscles along with a special organ inside them called a spindle.
How to calculate the intensity of a sound?
The sound intensity level β in decibels of a sound having an intensity I in watts per meter squared is defined to be β(dB) =10log10( I I0) β ( dB) = 10 log 10 ( I I 0) , where I0 = 10 −12 W/m 2 is a reference intensity.
Which is the correct equation for the initiation of vibration?
Assuming that the initiation of vibration begins by stretching the spring by the distance of A and releasing, the solution to the above equation that describes the motion of mass is: x ( t ) = A cos ( 2 π f n t ) . {\\displaystyle x (t)=A\\cos (2\\pi f_ {n}t).\\!}
Which is an example of the intensity of a wave?
The definition of intensity is valid for any energy in transit, including that carried by waves. The SI unit for intensity is watts per square meter (W/m 2 ). For example, infrared and visible energy from the Sun impinge on Earth at an intensity of 1300 W/m 2 just above the atmosphere.