Application of Reflection of Waves
Reflection of waves is the most widely used concept in science. Some of the most common applications of the reflection of waves are,
Echo
If we utter some words standing at some distance near a hill, tall building, big tree, etc., then due to reflection, the same words are heard again. This phenomenon is called Echo. Thus, the phenomenon of repetition of sound due to the reflection of sound from a rigid boundary is called echo.
The condition for the human ear to hear an echo is that the reflected sound must reach the ear after 0.1 sec as our brain takes 0.1 sec to process the incoming sound waves. As we know the general speed of sound in air is 330 m/s the general distance at which we can hear an echo is calculated to be 17 m.
Sonar
SONAR Its full name is “Sound Navigation and Ranging”. It is based on the principle of reflection of ultrasonic waves. With its help, the position of anybody inside the sea such as a rock, enemy submarine, etc. is detected. The depth of the sea is also known by this technique.
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Reflection of Waves
Waves are the disturbance created in the surroundings which are used to transport energy from point A to point B without transfer of matter. We also see different types of waves in our surroundings, when we throw a stone in the quiet pond we observe a disturbance travelling in the pond water formed by the striking of the stone this disturbance is called the wave.
Waves are found in many forms such as,
- Sound Waves
- Light Waves
- Water Waves
- Radioactive Waves
- Ultraviolet Waves
- Mechanical Waves
Energy is transferred through waves. The reflection of waves is the bouncing back of the wave after striking a hard surface.
In this article, we will learn about the reflection of waves, the laws of reflection of waves, etc.