Question

Match the following:
1. Human P. Sonic and ultrasonic vibrations

2. Bat Q. Sonic vibrations

3. Rhinoceros R. Infrasonic vibrations

• A. 1-R, 2-P, 3-Q
• B. 1-Q, 2-R, 3-P
• C. 1-P, 2-Q, 3-R
• D. 1-Q, 2-P, 3-R

Answer 1

The correct option is D 1-Q, 2-P, 3-R

The normal hearing range of a human is between 20 Hz to 20,000 Hz. Frequencies of sonic vibrations fall within this range only.
Infrasonic vibrations have frequencies below 20 Hz. Whereas, ultrasonic vibrations have frequencies above 20,000 Hz.
Rhinoceros have the ability to communicate by using infrasonic sounds. Bats, on the other hand, can produce vibrations of frequency above 20,000 Hz also.