Is the energy carried by the ultrasound very high or very low?

One Line Answer

The energy carried by ultrasonic sound is very high.

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Chapter 7 Sound
Range of Hearing | Q 8 | Page 284

Complete the following sentences:

An average person can hear sound of frequencies in the range ______ to _________.

Name the sound of the frequency given below:

1000 Hz

The properties of ultrasound that make it useful are

What do you understand by the term sonic vibrations? State the range of sonic vibrations for the human ear.

Name three animals which can hear ultrasonic vibrations.

What is Galton’s whistle? To what use is it put?

Ultraviolet radiation has a wavelength of 300Å. If the velocity of the electromagnetic wave is 3 × 10⁸ ms^-1. Calculate:

What does SONAR stand for?

What are hearing aids?

State the properties of ultrasound that make it useful.