Eng - 12-4-24

Front

What is ultrasound?

Back

Ultrasound refers to sound waves with frequencies above 20,000 Hz, which are beyond the range of human hearing.

Front

What type of vibrations have the highest amount of energy?

Back

Ultrasound vibrations have the highest amount of energy compared to infrasound and audible sound.

Front

What is sonar?

Back

Sonar is a system that uses sound waves to determine the locations of objects, often used underwater.

Front

True or False: Sonar can determine the distance of underwater objects.

Back

True.

Front

What is loudness?

Back

Loudness is a measure of how well sound can be heard, often related to the amplitude of sound waves.

Front

What is the frequency range of infrasound?

Back

Infrasound refers to sound waves with frequencies below 20 Hz.

Front

What is the relationship between frequency and energy in sound waves?

Back

Higher frequency sound waves, such as ultrasound, carry more energy than lower frequency sound waves.

Front

What is echolocation?

Back

Echolocation is a biological sonar used by animals like bats and dolphins to navigate and locate objects by emitting sound waves and listening for echoes.

Front

What is the difference between pitch and loudness?

Back

Pitch refers to the perceived frequency of a sound, while loudness refers to the perceived intensity or volume of a sound.

Front

What is the speed of sound in air at room temperature?

Back

The speed of sound in air at room temperature (20°C) is approximately 343 meters per second.