FA14.Vocabulary Test 2/14/2024

Which of the following is NOT a property of electromagnetic waves?

• They can travel through a vacuum.

• They all have the same frequency.

• They travel at the speed of light.

• They are transverse waves.

What type of sound wave is produced by a single frequency?

• White noise

• Pure tone

• Ultrasound

• Infrasound

Which of the following describes the behavior of light waves when they pass from air into water?

• They speed up.

• They slow down.

• Their frequency increases.

• Their wavelength increases.

Which part of the electromagnetic spectrum is used in microwave ovens to heat food?

• Radio waves

• Microwaves

• Infrared radiation

• Visible light

What happens when light waves interact with a smooth, shiny surface?

• Diffraction

• Refraction

• Reflection

• Absorption

Which application uses the ultraviolet part of the electromagnetic spectrum?

• Radio broadcasting

• Sterilizing medical equipment

• Cooking food

• Night vision

What type of sound waves are too high-pitched for humans to hear?

• Subsonic

• Sonic

• Ultrasonic

• Infrasonic

Which phenomenon occurs when light waves bend around obstacles?

• Reflection

• Refraction

• Diffraction

• Polarization

What is the primary use of infrared waves?

• Cooking food

• Night vision technology

• Transmitting internet signals

• Broadcasting TV signals

Which of the following is a property of sound waves?

• They can travel through a vacuum.

• They are electromagnetic waves.

• They require a medium to travel.

• They travel faster in a vacuum.