Application of Ultrasonic Sound

Q.

State two applications of ultrasound.

Q.

Write a Full Form of SONAR?

Q. Question 21
Explain how defects in a metal block can be detected using ultrasound.

Q.

(a) What is ultrasound ? What is the difference between ordinary sound and ultrasound ?

(b) Write any three applications (or uses) of ultrasound.

Q.

Give one use of ultrasound in industry and one in hospitals.

Q.

What type of scans are used these days to monitor the growth of developing baby in the uterus of the mother ?

Q.

Choose the applications of ultrasonic sound:

1. Electrocardiography

2. Ultrasonography

3. Cleaning hard-to-reach parts such as spiral tubes etc.

4. SONAR

Q.

Explain how flaws (or defects) in a metal block can be detected by using ultrasound.

Q. Question 21
Explain how defects in a metal block can be detected using ultrasound.

Q.

Ultrasound is not used for:

1. Internal imaging of human body.

2. Diagnosing problem such as broken bones.

3. Cleaning parts located in hard-to-reach places.

4. Detecting cracks and flaws in metal blocks.

Q. A ship sends a signal to the shore located $1360\text{m}$ away and the signal returns in $8\text{s}$. Calculate the speed of the signal.

1. $85\text{m/s}$
2. $340\text{m/s}$
3. $170\text{m/s}$
4. $680\text{m/s}$

Q. Question 2 (b)
What is the range of frequencies associated with
(b) Ultrasound?

Q. For what purposes ultrasound can be used?

Q. Ultrasound is not used __________.

1. by elephants to communicate over long distances
2. to find the distance of an object
3. as a tool in the treatment of muscular pain
4. to clean spiral tubes

Q. Ultrasound is not used __________.

1. by elephants to communicate over long distances
2. to find the distance of an object
3. to clean spiral tubes
4. as a tool in the treatment of muscular pain

Q. While checking crack in metal using ultrasoind, , why does ultrasound gets deflected from hole or crack and not from solid metal. Define reason behind this

Q. Q. In the process of ultrasound cleaning, we take object which is to be clean and soak in the liquid, after that we produce ultrasound and the dirty particle viberates and it is removed. I want to know the name of that solution (with chemical formula) in which the object is soaked?

Q. what is the use of ultrasonography and echosonography does thesentechniques have any side effects on our body

Q. Question 18
How is ultrasound used for cleaning?

Q.

Ultrasound is not used to:

1. find the distance of the building.

2. as a tool in the treatment of muscular pain.

3. clean spiral tubes.

4. detect defective foetus.

Q. Ultrasound is not used __________.

1. by elephants to communicate over long distances
2. to find the distance of an object
3. as a tool in the treatment of muscular pain
4. to clean spiral tubes

Q. Question 21
Explain how defects in a metal block can be detected using ultrasound.

Q. Question 18
How is ultrasound used for cleaning?

Q. Ultrasound was first used by ____________.

1. Ian Donald
2. Hardy
3. Einthoven
4. Olaf von Ram

Q. Ultrasound can be used for which of the following purposes?

1. Echocardiography
2. Ultrasonography
3. MRI scan
4. Loudspeakers

Q. does not involve the application of ultrasonic sound.

1. SONAR
2. Echocardiography
3. Earthquake prediction
4. Breaking kidney stones