This 2:1 ratio defines the octave. The second tone, which is the octave of the first tone, is created by faster vibrations and generates a higher pitch than the one vibrating at 440 cycles per second. The two tones in an octave sound very similar.
More info about the name Zahara. Zahara originates in Hebrew language and means radiance. It is a feminine form of Zohar. Some sources also suggest the Arabic origin and the meaning shining. The name is rather rare in English-speaking countries.
French Meaning: The name Zara is a French baby name. In French the meaning of the name Zara is: Light. Hebrew Meaning: The name Zara is a Hebrew baby name. In Hebrew the meaning of the name Zara is: Princess. Arabic Meaning: The name Zara is an Arabic baby name. In Arabic the meaning of the name Zara is: Eastern splendour; princess.