A soure of sound of frequency 165 hz is placed in front of a wall at a distance 2 m from it. A dtector is also placed in front o

A soure of sound of frequency 165 hz is placed in front of a wall at a distance 2 m from it. A dtector is also placed in front of the wall at the same distance from it. Find the minimum distance between the source and detector for which maximum sound is recorded int he detector . the speed of sound is 330 m/s
A. 4m
B. 3 m
C. 1 m
D. 2m

A soure of sound of frequency 165 hz is placed in front of a wall at a distance 2 m from it. A dtector is also placed in front of the wall at the same

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