ICSE Class 8 - Characteristics of Sound Videos

• how to make a chart of simple pendulem
• propagation of sound in air
• how do amplitude affect the velocity of sound in air
  
• what is montons
• what is sound wave
• When thunderstorms appears in cloud so firstly what is appear sound or light 
• why is the loudness of sound heard by a plucked wire increased when mounted on a sound board 
• What is sound  
• a short flute produced  a higher pitvh than a long pipe give reasons
• What is understood by quality or timbre of sound?  

Queries asked on Sunday & after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.