3 - Intensity

Intensity in sound refers to:

• The frequency of sound waves.
• The duration of sound waves.
• The tone of sound waves.
• The volume or amplitude of sound waves.

In acoustics, how is intensity related to the amplitude of a sound wave?

• Greater amplitude implies greater volume or intensity.
• Greater amplitude implies lower volume.
• Amplitude does not affect intensity.
• Amplitude only affects the tone of the sound.

What do dynamic markings like pp, p, mf, f, ff symbolize in a music score?

• The rhythm of the music.
• The intensity or volume of a note or passage.
• The duration of the notes.
• The type of instrument to use.

What do crescendo or diminuendo changes indicate in a music score?

• Changes in the key of the music.
• Changes in the speed of the music.
• Gradual changes in the volume or intensity of the music.
• Changes in the primary instrument.

What is the decibel threshold above which sound can cause hearing damage?

• 80 decibels.
• 100 decibels.
• 120 decibels.
• 140 decibels.

Where does the name of the musical instrument piano come from?

• From an Italian word meaning "soft".
• From an ancient instrument called the pianoforte.
• From the name of its inventor.
• From a technique of playing softly and strongly.

Maria Anna Mozart, sister of Wolfgang Amadeus Mozart, abandoned her musical career due to:

• Lack of musical talent.
• Illness.
• Traditions and customs of her time.
• Preference for another profession.

In musical notation, what effect does adding a dot next to a note have?

• Changes the pitch of the note.
• Increases the duration of the note by half its value.
• Indicates a pause after the note.
• Changes the intensity of the note.

A dotted quaver has the same duration as:

• A semiquaver.
• A crotchet.
• A quaver tied to a semiquaver.
• A minim.

What does intensity represent in speech?

• The clarity with which words are pronounced.
• The speed of speech.
• The volume or force of the sound.
• The tone or inflection of the voice.