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Course Description

Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the USA, it is widely used to rate interior partitions, ceilings/floors, doors, windows and exterior wall configurations (see ASTM International Classification E413 and E90).

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Course Syllabus
  • Physics Sound part 1 (Production & Propagation of sound) CBSE class 9 IX
  • Physics Sound part 2 (Longitudinal nature of sound) CBSE class 9 IX
  • Physics Sound part 3 (Characteristics of Sound: Wavelength, frequency, time period) CBSE class 9 IX
  • Physics Sound part 4 (Characteristics of Sound: Pitch, amplitude, Quality) CBSE class 9 IX
  • Physics Sound part 5 (Characteristics of Sound: Speed) CBSE class 9 IX
  • Physics Sound part 6 (Characteristics of Sound: Numerical) CBSE class 9 IX
  • Physics Sound part 7 (Reflection of Sound: Echo) CBSE class 9 IX
  • Physics Sound part 8 (Reflection of Sound: Reverberation) CBSE class 9 IX
  • Physics Sound part 9 (Range of Hearing) CBSE class 9 IX
  • Physics Sound part 10 (Ultrasound) CBSE class 9 IX
  • Physics Sound part 11 (Human ear) CBSE class 9 IX
  • Physics Sound part 12 (Numerical) CBSE class 9 IX
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