Suhani marwadi Asked a Question
September 16, 2021 1:24 pmpts 30 pts
57. An ultrasound signal of frequency 50 KHz is sent vertically down into a medium. The sianal gets reflected from a depth of 25 mm and returns to source 0.00005 seconds after it is emitted. The wavelength of the ultrasound signal in that medium is cm.
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  • Priya sarda thankyou
    answer is 2
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