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Amit Saxena Grade: upto college level
`        Find the minimum and maximum wavelengths of sound in water that is in the audible range (20-20000 Hz) for an average human ear. Speed of sound in water = 1450 m s-1.`
3 years ago

396 Points
```										Sol. a) for minimum wavelength n = 20 KHz
⇒v = nλ⇒ λ = (1450//20 * 10^3) = 7.25 cm.
b) for maximum wavelength n should be minimum
⇒ v = nλ⇒ λ = v/n ⇒ 1450 / 20 = 72.5 m.

```
3 years ago
Ammar Shaheen
19 Points
```										The range of human hearing is20Hz to 20KHz.if lowest audible wavelength is 16.6 find the maximum audible wavelength
```
6 months ago
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