Maximum value of the wavelength of ultrasonic wave is \( (v=330 \mathrm{~m} / \mathrm{s}) \)....

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Maximum value of the wavelength of ultrasonic wave is \( (v=330 \mathrm{~m} / \mathrm{s}) \)
P
(1) \( 1.85 \mathrm{~cm} \)
W.
(3) \( 33 \mathrm{~cm} \)
(2) \( 20 \mathrm{~cm} \)
(4) \( 1.65 \mathrm{~cm} \)


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