Dear Sir/madam,

 

Required previous question papers about Propagation of Sound waves & Heat & energy

Asked by priya_padma1974 | 10th Nov, 2018, 11:33: AM

Expert Answer:

Click on the links given below for the study material and question bank of the chapters 
 
 

Answered by Shiwani Sawant | 14th Nov, 2018, 12:49: PM