What Is EchoThe sound returning back towards the source after suffering reflection from a distance obstacle (a wall, a row of building etc.) is called an echo.When the sound is reflected repeatedly from a number of obstacles, more than one echoes, calle…

What are the Different Types of SoundSound can be of different types—soft, loud, pleasant, unpleasant, musical, audible (can be heard), inaudible (cannot be heard), etc. Some sounds may fall into more than one category. For instance, the sound produced w…

Reflection Of SoundSound waves like light waves also get reflected from plane and spherical surfaces. During reflection, sound waves obey the laws of reflections. The reflection of sound from a hard surface can be observed by performing a simple experime…

Speed Of Sound In Various SubstancesSpeed of Sound: The speed of sound is the rate at which sound travels from the sound producing body of our ears. The speed of sound depends on theNature of Material: (or medium) through which it travels. Speed of soun…

How Does Sound TravelHave you ever thrown pebbles in a pool of water? The impact of pebbles in water creates ripples of waves that spread in the pool. In a similar fashion, vibrations cause waves in the air. We hear the sound when these waves reach our …