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Properties of Ultrasonic Sound

Ultrasound wa...

Question

Ultrasound waves have :

A

high frequency and short wavelength

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B

low frequency and short wavelength

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C

high frequency and long wavelength

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D

low frequency and long wavelength

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Solution

The correct option is A high frequency and short wavelength
The sound waves having frequency higher than $20 k H z$ is called ultrasonic waves. It has short wavelength.

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Similar questions

Q.  Consider the following statements:

1. High frequency indicates long wavelength.
2. Low frequency indicates short wavelength.
3. Long wavelength waves will have lesser oscillations per unit time than short wavelength waves.

 Which of the statements given above are incorrect?

Q. The ultrasound waves can penetrate into matter to a large extent because they have :
(a) very high speed
(b) very high frequency
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Ultrasounds are low frequency waves.

The properties of ultrasound that make it useful, are :

(a) high power and high speed

(b) high power and good directivity

(c) high frequency and high speed

(d) high frequency and bending around the objects.

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