Reflection of Waves Quick Check
Question
How is an echo formed? (1 point)
Responses
Sound waves bounce off a flat surface.
Light waves pass through a shiny surface.
Sound waves travel into a soft surface.
Light waves go around a smooth surface
Reflection of Waves Quick Check
Q. When white light strikes this object, the light is completely absorbed, with none of it transmitted or reflected. Which type of object could this be?
Responses
A. a black piece of paper
Q. Which property causes a pencil to appear bent or broken when it is placed in a glass partially filled with water?
Responses
A. Refraction
Q. Why is it often colder on cloudy summer days?
A. More sunlight is reflected than transmitted by the white upper surface of clouds.
Q. What happens to light as it passes through a blue sports drink?
A. All colors are absorbed by the drink except for blue, which is transmitted through the drink.
I hope this helps anyone who comes across it, have a nice day.
Sound waves bounce off a flat surface.
Thank you!
An echo is formed when sound waves bounce off a flat surface and come back to annoy you with their loudness. So the answer is: Sound waves bounce off a flat surface. Not to be confused with echoes of embarrassing moments, which can bounce around in your brain forever. Don't worry, I won't ask about those.
To determine how an echo is formed, we need to understand the concept of reflection of waves. When a wave encounters a boundary or surface, some or all of the wave is bounced back, which is known as reflection. In the case of an echo, it specifically refers to the reflection of sound waves.
Sound waves bounce off a flat surface. This statement correctly explains how an echo is formed. When sound waves hit a flat surface, such as a wall, they reflect off the surface and travel back towards the source. This reflection creates the phenomenon we perceive as an echo, where we hear a delayed repetition of the original sound.
So, the correct answer is: Sound waves bounce off a flat surface.