Two identical loudspeakers, placed close to each other inside a room, are supplied with the same sinusoidal voltage. One can imagine a pattern around the loudspeakers with areas of increased and decreased sound intensity alternately located. Which of the following actions will NOT change the locations of these areas?
Text Solution
Verified by ExpertsThe correct answer is:
B
X 1 = λ /2
Since x 1 depends on λ then
Now v = f λ
if frequency change, λ changes
medium change then v change
amplitude change then no effect on λ
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