collet the application of multiple reaction reflection of sound and ultra sounds in your daily life
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1. megaphones horrors musical instruments such as trumpets Shehnai and loudspeakers are all designer to send sound in a particular direction without spreading it in all directions in this instruments a tube followed by a chronicle opening reflex sound successfully to get most of the sound waves from the source in the forward direction towards the audience
2. stethoscope is a medical instrument used for listening to sounds produced within the body chiefly in the heart or lungs in the scopes the sound of the patients Heartbeat reaches the doctors Years by multiple reflection and amplifier
3. designing of concert halls and cinema halls .
generally the ceilings of concert halls conference halls and cinema halls additional such that sound after reflection richest all corners of the halls as shown in figure 16 in some halls curved ceiling is arranged in such a way that the sound of the reflecting from the ceiling spread evenly across the hall
written by N.Sujana
Answer:
Answer :
Applications of multiple reflection
It is used by doctors to hear sounds by using stethoscope.
It is used in a machine ear triumph that is used by people who are deaf .
It is used in big horns that are used to address large gatherings .
Applications of Ultra sounds
It is used by dolphins to communicate with each other .
It is used in SONAR .
It is used in Sono-graphy used in medicine .
Explanation:
Multiple reflection
It is the reflection of light back and forth ,occurring many times between reflecting surfaces.
It occurs when a reflected ray of light is reflected again when it is incident on another surface, it is termed multiple reflections.
Ultrasounds
They are the sounds that have frequency more than 20,000 hertz .
These sounds cant be heard by humans as it doesn't lie in our audible range .
It is of much importance and applications are discussed above .