Work and Energy
Nouns

Sound

TOPIC1: Definition of sound

TOPIC 2: Production of sound

TOPIC 3:  Propagation of sound

TOPIC 4:  Sound needs a medium to travel

TOPIC 5:  Longitudinal waves

TOPIC 6:  Characteristics of a sound wave

TOPIC 7: Transverse waves

TOPIC 8:  Speed of sound in different media

TOPIC 9:  Reflection of sound

TOPIC 10:  Echo

TOPIC 11:  Reverberation

TOPIC 12: Uses of multiple reflection of sound

TOPIC 13: Range of hearing

TOPIC 14: Applications of ultra sound -1

TOPIC 15: Applications of ultra sound -2

TOPIC 16: Sonar

TOPIC 17:  Structure of human ear  

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