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An echo is most likely to result when sound hits a surface that is?
sound wave reflect best off smooth, hard surfaces
What happens when a sound wave hits an irregular surface?
Two things: (i) it will be reflected irregularly, and will tend to disperse over a wider angle. This will create a "muffled" reflection - a sharp "pop" will become duller. (ii) there will be partial absorbtion on the surface, and partial cancellation of reflections, so the echo will be softer than from a hard, even surface.
What happens to an electromagnetic wave when if hits a transparent obstacle?
The wave will pass through the transperent object
When a sound wave bounces off a hard surface it can have 2 names?
reflection
What happens when a waves energy is lost to a surface making the wave weaker?
Absorption. -Apex
When a sound wave strikes a smooth hard surface the wave is?
When a sound wave strikes a smooth hard surface the wave bounces off. This means that the wave is deflected.
An echo is most likely to result when sound hits a surface that is?
sound wave reflect best off smooth, hard surfaces
What happens when a sound wave hits an irregular surface?
Two things: (i) it will be reflected irregularly, and will tend to disperse over a wider angle. This will create a "muffled" reflection - a sharp "pop" will become duller. (ii) there will be partial absorbtion on the surface, and partial cancellation of reflections, so the echo will be softer than from a hard, even surface.
Distinguish between a primary wave and a secondary wave?
A primary wave is a strong vibration or wave that hits earths surface (P) and a secondary wave (S) is a wave that hits soon after but not nearly as big.
When a wave hits a surface and bounces back it undergoes?
reflection
What happens to an electromagnetic wave when if hits a transparent obstacle?
The wave will pass through the transperent object
What happens to a duck on the surface of a pond when a wave passes under it?
it sinks
What is the difference between primary and secondary waves?
A primary wave is a strong vibration or wave that hits earths surface (P) and a secondary wave (S) is a wave that hits soon after but not nearly as big.Read more: Distinguish_between_primary_wave_and_a_secondary_wave
What happens to the angle of the wave if it hits the perspex at 90 degrees?
It does not change.
When a sound wave bounces off a hard surface it can have 2 names?
reflection
What happens when a wave hits a barrier it cannot pass through?
A mechanical wave travels through a medium because a medium is necessary for the propagation of that wave. With a mechanical wave, like sound, mechanical energy is put intothe wave, and the medium carries the energy of the wave. This is in contrast to an electromagnetic wave (like light) which can move through a total vacuum.
What is a sound wave that reflects off a hard surface?
An Echo-echo-echo-echo! The answer is Echo
