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Anna11 [10]
3 years ago
11

GIVING BRAINLY AND 20 POINTS

Chemistry
2 answers:
AleksAgata [21]3 years ago
7 0

Answer: the answer is 0.074Hz

Explanation:

Given, (In air)

Velocity V=340m/s

Frequency f=20,000Hz

Wavelegth λ=?

V=f.λ

λ=

F

V

​

=

20,000

340

​

=0.017Hz

Also, Given (in Water)

Velocity, V=1480m/s

Frequencyf=20,000Hz

wavelength, λ=?

V=F.λ

λ=

F

V

​

=

20,000

1480

=​0.074Hz

poizon [28]3 years ago
6 0

Answer:

frequency

Explanation:

frequency is velocity/ wavelength

340/1.36

250

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