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NEETPhysicsWaves and Sound

What is the wavelength of sound in tissue with a speed of 1.7 km/s, given that an ultrasonic scanner operates at a frequency of 4.2 MHz?

Options

  1. A4.1 10 ⁻⁴ m
  2. B5.4 10 ⁻⁴ m
  3. C1.4 10 ⁻⁴ m
  4. D2.3 10 ⁻⁴ m

Correct answer

A. 4.1 10 ⁻⁴ m

Step-by-step solution

Correct Option is : (A) 4.1 10 ⁻⁴ m

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