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Problems for Practice - Part 1
Lesson 13 of 15 • 6 upvotes • 7:24mins
Shashank Rajak
This lesson includes some problems for practice based on the concepts learnt in this course.
Sound - NCERT Class 9 Summary
15 lessons • 2h 12m
1
Course Overview
3:51mins
2
An Introduction to Sound
10:09mins
3
Sound Wave
8:23mins
4
Components of a Sound Wave
7:28mins
5
Wavelength, Frequency and Time Period
8:12mins
6
Pitch, Amplitude and Quality of Sound
11:57mins
7
Speed, Intensity and Sonic Boom
13:30mins
8
Reflection of Sound, Echo and Reverberation
10:00mins
9
Applications of Multiple Reflections of Sound
6:39mins
10
Ultrasound and its Applications
11:26mins
11
SONAR
6:37mins
12
Structure of Human Ear
8:26mins
13
Problems for Practice - Part 1
7:24mins
14
Problems for Practice - Part 2
9:55mins
15
Problems for Practice - Part 3
8:15mins
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