A sound tone is produced in water, when it enters air -----
a) λ decreases & f remains same
b) both λ & f increases
c) both λ & f decreases
d) λ increases & f does not change

Dear Student
When a sound tone is produce in water and it enters in air its wavelength(lambda) increase but frequency(f) does not change.
So option (D) is the correct answer


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a],think so
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