Alert: You are not allowed to copy content or view source

Work and Energy

Class 9 Work & Energy - Fact

Learn more about Work and Energy of Class 9.


Sound is just another form of energy, and one that isn?t too different from heat. Sound waves are the momentary compression and expansion of air molecules as they travel away from their source. What separates sound from heat is essentially how organized t


 

  EXPLORE  

70%