GOA Class 8 Science Sound
Sound: How Is It Produced?
How is a sound produced? A sound produced can be either music or a noise to our ears. Study what makes a vibrating body produce sound, its characteristics and what factors control its speed and loudness.Sound: How Is It Propagated?
Sound : How is it propagated?Sound Wave: Characteristics
Sound wave: CharacteristicsNoise and Music
Noise andamp; Music