IGCSE /Grade 4
Science MCQ Based On Changing pitch in musical instruments
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IGCSE Grade 4 Science Changing pitch in musical instruments
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Pitch is a measure of how high or slow something sounds and is related to the speed of the vibrations that produce the sound.
Think about the flute and its structure.
Sound is something that we can hear or that can be heard.
Sound is directly proportional to loudness of sound.
Sound is a mixture of several frequency which can be produced by vibrating objects.
Loudness is directly proportional to the amplitude of sound waves.
Percussion instrument are those instruments that produces a sound on beating or striking.
A note played by an instrument or voice is considered a definite pitch when a human ear can distinguish the pitch itself.
Some musical instruments produces sound from vibrating strings.
Loudness of sound is measured in decible.
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