For 440. Hz sound in 20.°C air, which of the following path differences would result in constructive interference?
A) 39. cm
B) 117. cm
C) 156. cm
D) 11. cm

Name: For 440. Hz sound in 20.°C air, which of the following path differences would result in constructive interference? A) 39. cm B) 117. cm C) 156. cm D) 11. cm
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The Answer of For 440. Hz sound in 20.°C air, which of the following path differences would result in constructive interference?
A) 39. cm
B) 117. cm
C) 156. cm
D) 11. cm

For 440 Hz Sound in 20