NEETS Module 10 Quiz #3

What are the two general groups of sound?

Noise and tones.

Static and noise.

Frequency and tones.

Noise and frequency.

What are the three basic characteristics of sound?

Pitch, intensity, and quality.

Vibration, density, and fluidity.

Pitch, insensitivity, and quantity.

Frequency, sound, and pitch.

What is the normal audible range of the human ear?

20 Hz to 20 kHz.

20 kHz to 20 mHz

20 gHz to 20 tHz

20 Hz to 20 mHz

What is intensity as it pertains to sound?

The amount of energy transmitted from a source.

The total number of neurons fired.

The weight of the earth's gravity.

The abundance of power sent forward.

What characteristic of sound enables a person to distinguish one musical

Quality.

Quantity.

Qualification.

Quickness.

How does density and temperature affect the velocity of sound?

Velocity increases as density decreases and temperature increases.

Velocity decreases as density decreases and temperature decreases.

Velocity increases as density increases and temperature increases.

Velocity decreases as density increases and temperature decreases.

What term is used in describing the science of sound?

Acoustics.

Guitars.

Death screams.

Aquostics.

A sound wave that is reflected back toward the source is known as what type of sound?

Echo.

Silence.

Sound bouncing.

Repetition in the air.

What is the term for multiple reflections of sound waves?

Reverberation.

Resurgence.

Refraction.

Revelation.

A cavity that vibrates at its natural frequency produces a louder sound than at other frequencies. What term is used to describe this phenomenon?

Resonance.

Resounding.

Reasoning.

Resurrection.

What do we call a disturbance that distracts or distorts the quality of sound?

Noise.

Echo.

Sound.

Frequency.

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