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Echo (in Hindi)
Lesson 6 of 10 • 17 upvotes • 13:21mins
Chirag Jain
This lesson explains echo in detail and some numerical problems related to echo are also discussed.
(Hindi) Sound: NCERT Class 9 - Science for UPSC Aspirants
10 lessons • 1h 41m
1
Overview of the Course (Hindi)
3:25mins
2
Understanding Sound with Bell Jar Experiment (in Hindi)
11:00mins
3
Longtitudinal and Transverse Waves (in Hindi)
11:01mins
4
Sound Waves and its Characteristics (in Hindi)
12:48mins
5
Reflection of Sound (in Hindi)
12:59mins
6
Echo (in Hindi)
13:21mins
7
Reverberation (in Hindi)
7:33mins
8
Ultrasound (in Hindi)
10:39mins
9
SONAR (in Hindi)
9:32mins
10
The Human Ear (in Hindi)
9:01mins
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