HOMEWORK 27TH APRIL

Home Work:                   Chapter SOUND                       27th April,2020                

Dear Students,

I hope you have completed the notes given to  you in the last blog.
I am giving you work to be done in continuation .

Characteristics of Sound :

1.Pitch 

2.Loudness 
3.Quality

As discussed in class along with appropriate graphs.


Q1. State the two laws of reflection of sound.

Q2. Distinguish between loudness and intensity of Sound?                       

Q3. What is Echo? How can you calculate the time of Echo?                   

Q4. What is Reverberation?How can it be reduced?                                      

Q5. Name three factors on which loudness of sound depends.                   

Q6. What are the conditions for production of distinct echo?                    

Q7. What are the uses of multiple echoes of sound?                               

Q8. Distinguish between Echo and Reverberation?