Question

can anyone answer this pls​

Answer 1

Answer:

Given,

Wavelength = 1.6*10⁻² m

= 0.016 m

Velocity of sound (v) = 320 m/s

∴ Velocity = Wavelength * Frequency

= 320 = 0.016f

= 20000 Hz or, 20 kHz is the Frequency

I hope this helps.