CBSE Class 9
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Science
Motion, Force & Work
Lesson 4 of 10 • 5 upvotes • 9:46mins
Amplitude, wavelength, time period
10 lessons • 1h 23m
Overview
3:22mins
Production of Sound
5:20mins
Propagation of Sound
7:58mins
Longitudinal Waves
9:46mins
Pitch
10:50mins
Reflection of Sound
9:40mins
Range of Hearing
Structure of the Human Ear
8:20mins
Short Answer Question
9:35mins
Numerical Problems
8:45mins