Sounds and its Characteristics

When a sound wave travels from one place to another, what is transported?

• air

• energy

• density

• nothing

The loudness of a sound wave is related to its ________.

• duration

• frequency

• wavelength

• amplitude

WHich of the following refers to the highness or lowness of a sound?

• Pitch

• Frequency

• Timbre

• Loudness

Loud sounds over a long period of time can damage your hearing.

• True

• False

Ultrasound is above the upperlimit of human hearing which is above _______.

• 20 000 Hz

• 20 Hz

• 30 000 Hz

• All of these

Which of the following medical imaging techniques utilizes sound waves to create images of the inside of the body?

• X-ray

• MRI

• Ultrasound

• PET scan

What happens to sounds when the frequency of the vibration is increasing?

• Louder

• Higher in pitch

• Lower in pitch

• Softer

What happens to sounds when the AMPLITUDE of the vibration is increasing?

• Louder

• Higher in pitch

• Lower in pitch

• Softer

What do we call the matter that is used to transport a sound wave?

• rhythm

• medium

• period

• frequency

How are sound waves utilized in the field of entertainment?

• Detecting leaks in pipelines

• Monitoring volcanic activity

• Amplifying musical performances

• Analyzing soil composition