Audio Warfare Pre-Test

What is the scientific study of sound called?

• Biology of Sound
• Soundology
• Vibrology
• Acoustics

Which of the following is not a unit of sound measurement?

• Decibel
• Hertz

• Sound Pressure Level

• Ohm

Prolonged exposure to loud noises can lead to:

• Hearing loss or tinnitus
• Weight loss
• Enhanced concentration

• Memory improvement

How can electromagnetic radiation affect human health?

• Weight loss

• Increased risk of cancer

• Hearing loss

• Enhancing cognitive abilities

Which medical field uses sound waves for imaging?

• Oncology
• Sonography

• Cardiology
• Radiography

Which part of the ear converts sound waves into electrical signals?

• Auditory nerve
• Cochlea
• Eardrum
• Ear canal

The frequency range of human hearing is typically between:

• 30 Hz to 25,000 Hz
• 10 Hz to 15,000 Hz
• 15 Hz to 30,000 Hz
• 20 Hz to 20,000 Hz

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

• 343 meters per second
• 256 meters per second
• 500 meters per second
• 400 meters per second

Which of the following materials would sound travel fastest through?

• Liquids
• Gases
• Vacuum
• Solids

What is the term for the process of reducing unwanted sound using barriers or absorption materials?

• soundproofing
• noise reduction
• sound amplification

• quietification