@Abhisar

Question

@Abhisar

anonymous · Answer

A scientist is using sonar to map the ocean floor while traveling on the ocean surface in a ship. She observes that the first sound pulse returns from the ocean floor much more quickly than the second sound pulse. What can she conclude based on this information?
 

  
 
 
 A.   
    The water under the ship is becoming more shallow as the ship travels.
   
  
 
 
 B.   
    The water under the ship is becoming more dense as the ship travels.
   
  
 
 
 C.   
    The water under the ship is becoming less dense as the ship travels.
   
  
 
 
 D.   
    The water under the ship is becoming deeper as the ship travels.

abhisar · Answer

It will be D

abhisar · Answer

Sonar uses sound waves to detect the distance

abhisar · Answer

More distance = More time sound waves will take to travel