What are ultrasonic waves?
Asked by Sarika agarwal on 10 January 2010 3:46:15 PM   
   
   
Add to Favourite
Share
2 Answers

  1. On 9 September 2010 3:57:57 AM priyanka chaudhary answered :

    A sound wave that has a frequency above about 20,000 hertz.
    Comment for this AnswerComments (0)  Like this Answer (0)Dislike this Answer (0)   

  2. On 20 January 2011 12:11:57 AM CHATURBHUJ PODDAR answered :

    Sound waves of frequency higher than the upper limit of human audibility i.e. 20,000 hertz are called ultrasonics.
    Comment for this AnswerComments (0)  Like this Answer (0)Dislike this Answer (0)   

Answer this Question

2000 characters left
Similar Question
  1. What is the difference between tempering and annealing?
    Asked by: Deepika Rai   Asked on:
    Category:     Sub Category:    Answer Of this Question 1 Answer   
       
    Share
  2. It is easier to push an empty box than to push the box full of books. Why ?
    Asked by: CHATURBHUJ PODDAR   Asked on:
    Category:     Sub Category:    Answer Of this Question 2 Answers   
       
    Share
  3. Why do the clothes keep us warm during winter?
    Asked by: CHATURBHUJ PODDAR   Asked on:
    Category:     Sub Category:    Answer Of this Question 1 Answer   
       
    Share
  4. How rocket is launched?
    Asked by: Sneha Manwani   Asked on:
    Category:     Sub Category:    Answer Of this Question 1 Answer   
       
    Share
  5. A body decelerates uniformly to a constant speed and after sometime it accelerates uniformly. Draw shape of the speed-time graph for such a motion.
    Asked by: tirumala_siva06   Asked on:
    Category:     Sub Category:    Answer Of this Question 0 Answer   
       
    Share
  6. What is the full form of the acronym BPM ?
    Asked by: CHATURBHUJ PODDAR   Asked on:
    Category:     Sub Category:    Answer Of this Question 1 Answer   
       
    Share
  7. Why is the surface temperature of the ocean more variable than the water near the ocean floor?
    Asked by: Sneha Manwani   Asked on:
    Category:     Sub Category:    Answer Of this Question 0 Answer   
       
    Share
  8. What is the full form of the acronym EGAS ?
    Asked by: CHATURBHUJ PODDAR   Asked on:
    Category:     Sub Category:    Answer Of this Question 1 Answer   
       
    Share
  9. The charging current for a capacitor is 0.2 A. what is the displacement current?
    Asked by: CHATURBHUJ PODDAR   Asked on:
    Category:     Sub Category:    Answer Of this Question 1 Answer   
       
    Share
  10. What is the full form of the acronym DLT ?
    Asked by: CHATURBHUJ PODDAR   Asked on:
    Category:     Sub Category:    Answer Of this Question 1 Answer   
       
    Share
.