Question

D. Three different vibrating objects produce three types of sounds XY and Z. The sounds X and Y cannot be
heard by a man having normal range of hearing but sound Z can be heard easily. The sound X can be
heard by a bat whereas the sound Y can be heard by a rhinoceros. What type of sounds are X, Y and Z?
1. Your parents are going to buy a house. They have been offered one house on the roadside and another​

Answer 1

Answer:

Three different vibrating objects produce three types of sounds X, Y, and Z. Sounds X and Y cannot be heard by a man having normal a range of hearing but sound Z can be heard easily.  

The sound X is used in a hospital to break kidney stones of a patient into fine grains which then get flushed out with Urine. The sound similar to that which is produced during an earthquake before the main shock wave is generated.

Explanation:

Answer 2

Answer:

Three different vibrating objects produce three types of sounds X, Y and Z. The sounds X and Y cannot be heard by a man having normal range of hearing but sound Z can be heard easily. The sound X can be heard by a bat whereas the sound Y can be heard by a rhinoceros. Name the type of sounds X, Y and Z?