Sound Waves - SS3 Physics Past Questions and Answers - page 3
The following are behaviours sound waves exhibit during propagation in media except
Reflection
Disintegration
Refraction
Diffraction
A reflected sound wave is also known as a ______________
Reverberation
Diffraction
Echo
Pitch
Reflection of sound wave is ___________
When a sound wave encounters a surface and bounces back in the opposite direction
When a sound wave encounters an obstacle and bends around its edges
When a sound wave travels from one medium to another
When a sound wave moves from a region of high pressure to a region of lower pressure
Refraction of a sound wave is ___________
When a sound wave travels from a hot region to a cooler region
When a sound wave travels from one medium to another
When a sound wave travels from low humidity to high humidity
When a sound wave travels to outer space
Diffraction of sound wave is ___________
When a sound wave encircles an obstacle in its path
When a sound wave changes the state of the medium as it travels through
When a sound wave encounters an obstacle and bends around its edges
When a sound wave returns to its original displacement
Of what use is the knowledge of the behaviours of sound waves?
Understanding the behaviours of sound waves, including reflection, refraction, and diffraction, is important in many fields, including acoustics, engineering, and communication.
What is an echo?
An echo is a reflected sound that returns to its original point of propagation.
In which of the following lists of fields is the knowledge of sound waves applicable in all?
Material engineering, medical imaging, sports administration
Marine Navigation, search and rescue, newspaper publication
Structural engineering, communication and marine navigation
Medical imaging, fishing and public administration
The following are direct applications of sound waves except
Ultrasound
Robotics
Communication
Sonar
The following are possible based on the application of soundwaves except?
Ultrasound
Sonar
Architecture
Communication