Course Content
Topic 12.1 : Sound-Production and Propagation
Topic 12.2 : Sound wave and Its Characteristics
Topic 12.3 : Speed of Sound in Different Media and Reflection of Sound
Topic 12.4 : Range of Hearing and Applications of Ultrasound
Topic 12.5 : Structure of Human Ear
Exam Prepration Kit (Available with Full Course)

The video follows the NCERT, and the UBSE guidelines for Class 9, Science. It covers chapters like- Matter in our surroundings, Is matter around us pure, Atoms and molecules, and Structure of the atom. 

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