Answer the following in brief:
Some animals can detect sounds that humans cannot hear. Does their ability to detect such sounds indicate that the sounds are louder? Give a reason for your answer.
necessarily mean that the animal hears louder sounds than humans. Different animals and humans have . An animal may detect sounds of frequencies that are , such as ultrasonic sounds, without the sound being louder. Loudness mainly of the sound wave, whereas the determines whether the sound is high- or low-pitched and whether it falls within the audible range.