Nature of Sound waves

The substance that a sound wave travels through is called the

• medium

• vacuum

• compression

• rarefaction

When the particles of a medium are vibrating at right angles to the direction of energy transport, the type of wave is described as a _____ wave.

• longitudinal

• sound

• standing

• transverse

The main factor which effects the speed of a sound wave is the ____.

• amplitude of the sound wave

• pitch of the sound wave

• properties of the medium

• intensity of the sound wave

The ____ is defined as the number of cycles of a periodic wave occurring per unit time.

• wavelength

• period

• amplitude

• frequency

Which one of the following factors determines the pitch of a sound?

• The frequency of the sound wave

• The amplitude of the sound wave

• The distance of the sound wave from the source

• The speed of the sound wave

The loudness (or intensity) of a sound wave is related to its

• duration

• frequency

• wavelength

• amplitude

Areas of increased pressure on a sound wave are known as a ----

• Rarefaction

• Frequency

• Compression

• Amplitude

The measure of the amount of energy in a wave is

• Wavelength

• Frequency

• Amplitude

• Hertz

Sound waves travel the fastest through ---

• Solids

• Liquids

• Gases

• Vacuum

Sound waves that are beyond the range of human ear are known as ----

• Infrasonic

• Ultrasonic

• Audible

• Resonance