Introduction to Sound

• Sound Waves 17:11
• Introduction of Sound 10:26
• Sound Requires Material Medium for its Propagation 6:21
• Longitudinal Nature of Sound Waves 9:25

Characteristics of Sound

• Characteristics of Sound 17:53
• Characteristics of Sound 16:31
• Sound Intensity Level 32:11
• Pitch And Quality 17:50
• Sound Intensity Level(B) 9:11
• Intensity of sound 12:23

Reflection (ECHO) of Sound

• Reflection (ECHO) of Sound 20:12
• Sound intensity Level 18:47
• Reflection of Sound 13:51
• Calculate the speed of sound by Echo 06:31

Speed of Sound

• Speed of Sound 13:10
• Speed of sound 10:16

Noise Pollution

• Noise Pollution 13:24
• Noise Pollution 05:58
• Importance of Acoustics 10:39
• Acoustic Protection 07:01

Audible Frequency Range

• Audible Frequency Range 5:46
• Audible range of frequency 06:43

Ultrasound in Physics

• Ultrasound in Physics 17:04
• Ultrasound waves 11:02

Examples

• Example no 11.1 to 3 10:20

Exercise

• Exercise MCQs 11:08
• Question no 11.1 to 4 17:56
• Question no 11.5 to 7 12:46
• Question no 11.8 to 10 13:15
• Question no 11.11 to 15 14:27
• Question no 11.16 to 19 5:48
• Conceptual Question no 11.1 to 9 25:34

Numericals

• Numerical no 11.1 to 3 18:18
• Numerical Problems 112 & 113 16:37
• Numerical no 11.4 to 6 10:32
• Numerical Problems 112 & 113 12:58
• Numerical no 11.7 to 9 14:51