State whether the following statements are true or false

Multiple reflections of sound helpful to doctors and engineers.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
Concept: In this question, we are supposed to tell the applications of reflection of sound for doctors and engineers.
Sound gets reflected in the form of waves. These reflections of sound bring a lot of application along. For example, doctors use devices like stethoscopes which work on the concept of multiple reflection of sound. The phenomenon amplifies the sound of heart beat and makes it easier for the doctors to hear.
Similarly, in case of engineers, they use it for measuring distances in submarines and locating stones and obstacles inside water. The concept is called SONAR, in which sound is reflected from obstacles and is captured to measure its distance.
It is also used in many other places like cinema halls etc.
Hence, multiple reflections of sound are helpful to doctors and engineers in multiple ways.
Hence, the given statement is true.

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