The wavelength of ultrasonic waves in air is of the order of... | PHYSICS - DOPPLER EFFECT | SolveeIt

The wavelength of ultrasonic waves in air is of the order of

$5 \times 10^{- 5}cm$

$5 \times 10^{- 8}cm$

$5 \times 10^{5}cm$

$5 \times 10^{8}cm$

Answer

$5 \times 10^{- 5}cm$

Explanation

$\lambda = \frac{v}{n};n \approx 50,000Hz$ , $v = 330$ m/sec ⇒ $\lambda = \frac{330}{50000}m$

$= 6.6 \times 10^{- 5}cm \approx 5 \times 10^{- 5}cm$

Question: The wavelength of ultrasonic waves in air is of the order of...