1.

Two sounds A and B are of same amplitudes, same wave forms but of frequencies F and 2F respectively. Then : (a) B differ in quality from A (b) B is grave, A is shrill (c) B is shrill, A is grave (d) B is louder than A.

Answer»

Two sounds A and B are of same amplitudes, same wave forms but of frequencies F and 2F respectively.

Then :

(a) B differ in quality from A

(b) B is grave, A is shrill

(c) B is shrill, A is grave

(d) B is louder than A.



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