The speed of sound in steel is about 15 times greater than that in air. If the frequency of sound wave in steel is 20 kHz, then what is the wavelength ? (Speed of sound in air 344 m/s)
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A: ∮B→.ds→=6.28×10-6 T.m
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A: Since you have asked multiple questions, only the first one is answered here. Please repost the…
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