So far we have only considered sound in isolation and we have seen that sound has velocity, frequency, wavelength and reduces in intensity in proportion to the square of the distance from the source.

Here, you will get the CBSE Class 9 Science, Sound: Chapter notes (Part-I). These chapter notes are prepared by the subject experts and cover every important topic from the chapter. You get a crisp ...

The 3D Sound Modeler is an interactive web-based application designed to simulate and visualize sound propagation within a defined 3D environment. Users can place a sound source and a listener, add ...

To investigate the reflection of light by a plane mirror.

Properties of waves - OCR Gateway Properties, uses and hazards of electromagnetic waves - OCR Gateway Lenses and ray diagrams - OCR Gateway Light - OCR Gateway Sample exam questions - waves in matter ...