Question

State the special properties of ultrasound that make it useful to us.In general, how these properties are utilized.

Answer 1

the properties of ultrasound :

i. The energy carried by ultrasound is very high.

ii.The ultrasound can travel along a well defined straight path.it does not bend appreciably at the edges of an obstacle because of its small wavelength

***the above 2properties of ultrasound makes it very useful to us for many purposes.***

USES OF ULTRASOUND
*Bats avoid obstacles in their path by producing & hearing the ultrasound.they produce ultrasound which returns after striking an obstacle in their path/way.by hearing the reflected sound,they can judge the direction where the obstacle is in their way and from the time interval,they can judge the distance of the obstacle.
ultrasound is used in surgery to remove cataract and in kidneys to break the small stones into fine grains.

*For cleaning the minute objects such as the parts of watches and electronic components.

*For detection of defects in metals,ultrasound is used.
in SONAR to detect and find the distance of objects under water.

Answer 2

Answer:

Two properties of ultrasonic waves are

1. it have high power.
2. it always travel in straight path that means it has good directionality.

IN general these properties are useful and utilized in following ways ➖

1. Drilling holes or making cuts of desired shape.
2. it is used to detection of defects in metal.
3. For taking imaging of internal organs.
4. it is also used in surgical. etc

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