Question

State two properties of ultrasound that make it useful to us.

March 28, 2024

Answer

Properties of ultrasound that make it useful to us are —

The energy carried by ultrasound is very high.
The ultrasound can travel along a well defined straight path. It does not bend appreciably at the edges of an obstacle because of it’s small wavelength (i.e., it has high directivity).

💡 Some Related Questions

Explain how do bats locate the obstacles and prey in their way.

Differentiate between infrasonic, sonic, ultrasonic and supersonic sounds.

State two applications of ultrasound.

Can you hear the sound produced due to vibrations of a seconds’ pendulum? Give reason.

State the approximate speed of ultrasound in air.

What is ultrasound?

Name the sounds of the frequencies given below —(a) 10 Hz (b) 100 Hz (c) 1000 Hz (d) 40 kHz

Complete the following sentences —(a) An average person can hear sounds of frequencies in the range ………. to ……….(b) Ultrasound is of frequency ……….(c) Infrasonic sound is of frequency ……….(d) Bats can produce and hear ………. sound.(e) Elephants produce ………. sound.

Which has a higher frequency — ultrasonic sound or infrasonic sound?

For which range of frequencies are the human ears most sensitive?