Question

Ultrasonic waves of frequency 4.5 MHz are used to detect a tumour in soft tissues. The speed of sound in tissue is 1.5 km/s and that in the air 340 m/s. Find the wavelength of this ultrasonic wave in the air and in tissue.

Answer 1

Answer ⇒ 7.6 × 10⁻⁵ m (Ultrasonic) and 3.3 × 10⁻⁴ m (Tissue).

Explanation ⇒  We know that, wavelength (

Answer 2

Answer:

Explanation:

7.6 × 10⁻⁵ m (Ultrasonic) and 3.3 × 10⁻⁴ m (Tissue).