Question

A sound of 120 kHz has a wavelength of 2.87 mm. It's velocity is:-

a.330m/s
b.340m/s
c.344m/s

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Answer 1

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Galileo di Vincenzo Bonaiuti de' Galilei was an Italian astronomer, physicist and engineer, sometimes described as a polymath, from Pisa. Galileo has been called the "father of observational astronomy", the "father of modern physics", the "father of the scientific method", and the "father of modern science". 

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here is your answer hope it helps mark me as brainliest

@genius1947 ❤❤