Answer:
The pitch of a tone. The definite height or depth of a tone is called its pitch. The mere sound lacking the qualifications of a tone has no pitch.
Explanation:
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In Music, the three sounds that have no tone are the following:
The reason that these sounds are categorized to have no tone is that they do not have a particular pitch. This implies that their pitch is a very complex mixture of all kinds of frequencies. Again, these frequencies have high tendencies to change often.
Hence, in this case, the correct answer is A, C♯, and 765.432Hz.
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