Top Posters
Since Sunday
New Topic  
ppk ppk
wrote...
Valued Member
On Hiatus
Posts: 3561
12 years ago
Sound vibrations with frequencies greater than 20,000 Hz are called
A) infrasonics.
B) ultrasonics.
C) supersonics.
D) infrared.
E) megasonics.
Read 1218 times
1 Reply
Replies
Answer accepted by topic starter
bio_manbio_man
wrote...
Educator
Top Poster
Posts: 33243
12 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1245 People Browsing
Related Images
  
 706
  
 1378
  
 3468
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 292