1.

Match the following. Group ‘A’ Group ‘B’ (a) reflection of sound 1. the pegs on a sitar (b) pollution of sound 2. water (c) medium of sound 3. echo-point (d) frequency of sound 4. noise

Answer»

Match the following.





































Group ‘A’



Group ‘B’



(a)



reflection of sound



1.



the pegs on a sitar



(b)



pollution of sound



2.



water



(c)



medium of sound



3.



echo-point



(d)



frequency of sound



4.



noise




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